trim proj4 parameters for sql queries (#5598)

Author: etiennesky

src/core/qgscoordinatereferencesystem.cpp

@@ -523,9 +523,10 @@ bool QgsCoordinateReferenceSystem::createFromProj4( const QString theProj4String
 
     // split on spaces followed by a plus sign (+) to deal
     // also with parameters containing spaces (e.g. +nadgrids)
+    // make sure result is trimmed (#5598)
     foreach( QString param, theProj4String.split( QRegExp( "\\s+(?=\\+)" ), QString::SkipEmptyParts ) )
     {
-      QString arg = QString( "' '||parameters||' ' LIKE %1" ).arg( quotedValue( QString( "% %1 %" ).arg( param ) ) );
+      QString arg = QString( "' '||parameters||' ' LIKE %1" ).arg( quotedValue( QString( "% %1 %" ).arg( param.trimmed() ) ) );
       if ( param.startsWith( "+datum=" ) )
       {
         datum = arg;