minor fixes for macOS

Minor fixes from merging the master (SDL1) branch:

- KMOD_META in SDL1 is KMOD_GUI in SDL2. Changed.
- loadfonts() requires additional arguments in the SDL2 branch. Added.

src/fonts.c

@@ -1045,7 +1045,7 @@ static void loadfonts(SDL_Surface * screen, SDL_Texture * texture, SDL_Renderer
   homedirdir = malloc(snprintf(NULL, 0, "%s/fonts", apple_globalPreferencesPath()) + 1);
   if(homedirdir) {
     sprintf(homedirdir, "%s/fonts", apple_globalPreferencesPath());
-    loadfonts(screen, homedirdir);
+    loadfonts(screen, texture, renderer, homedirdir);
     free(homedirdir);
   }
 #endif

src/macos.h

@@ -23,7 +23,7 @@
 #define __MACOS_H__
 
 
-#define KMOD_CTRL   KMOD_META   /* Anywhere Linux/Windows uses CTRL, use CMD on macOS */
+#define KMOD_CTRL   KMOD_GUI    /* Anywhere Linux/Windows uses CTRL, use CMD on macOS */
 
 
 void apple_init(void);