[pyqgis-console] adds a "\n" at the end of the header text if it has …

…not been inserted from translators

python/console/console_output.py

@@ -137,7 +137,13 @@ def insertInitText(self):
                                              "Python {0} on {1}\n"
                                              "## Type help(iface) for more info and list of methods.\n").format(sys.version,
                                                                                                                 socket.gethostname())
-        initText = self.setText(txtInit)
+        ## some translation string for the console header ends without '\n'
+        ## and the first command in console will be appended at the header text. 
+        ## The following code add a '\n' at the end of the string if not present.
+        if txtInit.endswith('\n'):
+            initText = self.setText(txtInit)
+        else:
+            initText = self.setText(txtInit + '\n')
 
     def refreshLexerProperties(self):
         self.setLexers()