darwin_specific: Make sure developer version of VLC.app works.

src/misc/darwin_specific.c

+
 /*****************************************************************************
  * darwin_specific.m: Darwin specific features
  *****************************************************************************
@@ -79,6 +80,16 @@ void system_Init( libvlc_int_t *p_this, int *pi_argc, const char *ppsz_argv[] )
             else
                 p_char = NULL;
         }
+        else {
+            size_t len = strlen(psz_img_name);
+            /* Do we end by "VLC"? If so we are the legacy VLC.app that doesn't
+             * link to VLCKit. */
+            if( !strcmp( psz_img_name + len - 3, "VLC") )
+            {
+                p_char = strdup( psz_img_name );
+                break;
+            }
+        }
     }
     if ( !p_char )
     {