Finish "core" renaming to avoid prefs crashes

Close #10096

include/vlc_modules.h

@@ -67,11 +67,11 @@ VLC_API const char * module_gettext( const module_t *, const char * ) VLC_USED;
 
 VLC_USED static inline module_t *module_get_main (void)
 {
-    return module_find ("main");
+    return module_find ("core");
 }
 #define module_get_main(a) module_get_main()
 
 VLC_USED static inline bool module_is_main( const module_t * p_module )
 {
-    return !strcmp( module_get_object( p_module ), "main" );
+    return !strcmp( module_get_object( p_module ), "core" );
 }

modules/gui/qt4/components/preferences_widgets.cpp

@@ -547,7 +547,7 @@ void ModuleConfigControl::finish( )
     {
         module_t *p_parser = p_list[i];
 
-        if( !strcmp( module_get_object( p_parser ), "main" ) ) continue;
+        if( !strcmp( module_get_object( p_parser ), "core" ) ) continue;
 
         unsigned confsize;
         module_config_t *p_config;
@@ -662,7 +662,7 @@ void ModuleListConfigControl::finish( bool bycat )
 
         if( bycat )
         {
-            if( !strcmp( module_get_object( p_parser ), "main" ) ) continue;
+            if( !strcmp( module_get_object( p_parser ), "core" ) ) continue;
 
             unsigned confsize;
             module_config_t *p_config = module_config_get (p_parser, &confsize);