perform pending destroys before unlocking the submit mutex

src/Refresh_Driver_Vulkan.c

@@ -2985,7 +2985,7 @@ static void VULKAN_INTERNAL_RemoveFramebuffersContainingView(
 
 		for (j = 0; j < hash->colorAttachmentCount; j += 1)
 		{
-			if (hash->colorAttachmentViews[i] == view)
+			if (hash->colorAttachmentViews[j] == view)
 			{
 				VULKAN_INTERNAL_QueueDestroyFramebuffer(
 					renderer,
@@ -10048,11 +10048,11 @@ static void VULKAN_Submit(
 		}
 	}
 
-	SDL_UnlockMutex(renderer->submitLock);
-
 	/* Check pending destroys */
 
 	VULKAN_INTERNAL_PerformPendingDestroys(renderer);
+
+	SDL_UnlockMutex(renderer->submitLock);
 }
 
 /* Device instantiation */