Projucer: Escape quotes in plug-in shared code linker flag

extras/Projucer/Source/ProjectSaving/jucer_ProjectExport_Xcode.h

@@ -2498,7 +2498,7 @@ private:
         if (library.substring (0, 3) == "lib")
             library = library.substring (3);
 
-        return "-l" + library.replace (" ", "\\\\ ").upToLastOccurrenceOf (".", false, false);
+        return "-l" + library.replace (" ", "\\\\ ").replace ("\"", "\\\\\"").replace ("\'", "\\\\\'").upToLastOccurrenceOf (".", false, false);
     }
 
     String getSearchPathForStaticLibrary (const RelativePath& library) const