Mac: Fixed typo in two error messages.

src/haptic/darwin/SDL_syshaptic.c

@@ -262,13 +262,13 @@ MacHaptic_MaybeAddDevice( io_object_t device )
                                      CFSTR(kIOHIDPrimaryUsagePageKey));
         if (refCF) {
             if (!CFNumberGetValue(refCF, kCFNumberLongType, &item->usagePage)) {
-                SDL_SetError("Haptic: Recieving device's usage page.");
+                SDL_SetError("Haptic: Receiving device's usage page.");
             }
             refCF = CFDictionaryGetValue(hidProperties,
                                          CFSTR(kIOHIDPrimaryUsageKey));
             if (refCF) {
                 if (!CFNumberGetValue(refCF, kCFNumberLongType, &item->usage)) {
-                    SDL_SetError("Haptic: Recieving device's usage.");
+                    SDL_SetError("Haptic: Receiving device's usage.");
                 }
             }
         }