postgis string fixes

Author: jef-n

i18n/qgis_de.ts

@@ -4163,7 +4163,7 @@ GEOS-Verarbeitungsfehler: Eine oder mehrere Objekte haben ungültige Geometrie.<
     </message>
     <message>
         <location filename="../src/ui/qgisapp.ui" line="1129"/>
-        <source>Add PostGIS Layer...</source>
+        <source>Add PostGIS layers...</source>
         <translation>PostGIS-Layer hinzufügen...</translation>
     </message>
     <message>
@@ -13637,8 +13637,8 @@ Fehler: %5</translation>
     <name>QgsDbSourceSelectBase</name>
     <message>
         <location filename="../src/ui/qgsdbsourceselectbase.ui" line="14"/>
-        <source>Add PostGIS Table(s)</source>
-        <translation>PostGIS-Tabelle(n) hinzufügen</translation>
+        <source>Add PostGIS layers</source>
+        <translation>PostGIS-Layer hinzufügen</translation>
     </message>
     <message>
         <location filename="../src/ui/qgsdbsourceselectbase.ui" line="31"/>

src/ui/qgisapp.ui

@@ -1126,7 +1126,7 @@
      <normaloff>:/images/themes/default/mActionAddLayer.png</normaloff>:/images/themes/default/mActionAddLayer.png</iconset>
    </property>
    <property name="text">
-    <string>Add PostGIS Layer...</string>
+    <string>Add PostGIS layers...</string>
    </property>
    <property name="shortcut">
     <string>Ctrl+Shift+D</string>

src/ui/qgsdbsourceselectbase.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Add PostGIS Table(s)</string>
+   <string>Add PostGIS layers</string>
   </property>
   <property name="windowIcon">
    <iconset>