Merge bitcoin-core/gui#654: Update source translations for string freeze

fcc0c8448b514c874f570f0ee517e4abc05c2574 qt: Update source translations for string freeze (laanwj)

Pull request description:

  Make sure transifex source translations match the ones in the source code after today's string freeze.
  It looks like only one message was added: "Too many external signers
  found".

ACKs for top commit:
  hebasto:
    ACK fcc0c8448b514c874f570f0ee517e4abc05c2574, `make -C src translate` produces zero diff.
  jarolrod:
    ACK fcc0c8448b514c874f570f0ee517e4abc05c2574

Tree-SHA512: 2c2383a6f1ad086e86b7c7d35b9a06c30090a8c9517f93912b64957ec58c95c982d5340f189028717dc876e14ba2344750e3f5d81b522b0cf3d7f4586b8e0cc6

src/qt/locale/bitcoin_en.ts

@@ -1124,7 +1124,7 @@ Signing is only possible with addresses of the type &apos;legacy&apos;.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location line="+29"/>
+        <location line="+33"/>
         <source>Create wallet failed</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1138,6 +1138,11 @@ Signing is only possible with addresses of the type &apos;legacy&apos;.</source>
         <source>Can&apos;t list signers</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <location line="+3"/>
+        <source>Too many external signers found</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>CreateWalletDialog</name>
@@ -1471,7 +1476,7 @@ Signing is only possible with addresses of the type &apos;legacy&apos;.</source>
 <context>
     <name>LoadWalletsActivity</name>
     <message>
-        <location filename="../walletcontroller.cpp" line="+69"/>
+        <location filename="../walletcontroller.cpp" line="+74"/>
         <source>Load Wallets</source>
         <extracomment>Title of progress window which is displayed when wallets are being loaded.</extracomment>
         <translation type="unfinished"></translation>
@@ -1581,7 +1586,7 @@ Signing is only possible with addresses of the type &apos;legacy&apos;.</source>
 <context>
     <name>OpenWalletActivity</name>
     <message>
-        <location filename="../walletcontroller.cpp" line="-42"/>
+        <location filename="../walletcontroller.cpp" line="-46"/>
         <source>Open wallet failed</source>
         <translation type="unfinished"></translation>
     </message>
@@ -3584,7 +3589,7 @@ For more information on using this console, type %6.
 <context>
     <name>RestoreWalletActivity</name>
     <message>
-        <location filename="../walletcontroller.cpp" line="+45"/>
+        <location filename="../walletcontroller.cpp" line="+49"/>
         <source>Restore Wallet</source>
         <extracomment>Title of progress window which is displayed when wallets are being restored.</extracomment>
         <translation type="unfinished"></translation>
@@ -3596,7 +3601,7 @@ For more information on using this console, type %6.
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location line="+16"/>
+        <location line="+19"/>
         <source>Restore wallet failed</source>
         <extracomment>Title of message box which is displayed when the wallet could not be restored.</extracomment>
         <translation type="unfinished"></translation>
@@ -4962,7 +4967,7 @@ Note:  Since the fee is calculated on a per-byte basis, a fee rate of &quot;100
 <context>
     <name>WalletController</name>
     <message>
-        <location filename="../walletcontroller.cpp" line="-329"/>
+        <location filename="../walletcontroller.cpp" line="-344"/>
         <source>Close wallet</source>
         <translation type="unfinished"></translation>
     </message>