testgamecontroller.c: fixed -Wshadow warnings.

test/testgamecontroller.c

@@ -244,12 +244,12 @@ LoadTexture(SDL_Renderer *renderer, const char *file, SDL_bool transparent)
     return texture;
 }
 
-static Uint16 ConvertAxisToRumble(Sint16 axis)
+static Uint16 ConvertAxisToRumble(Sint16 axisval)
 {
     /* Only start rumbling if the axis is past the halfway point */
     const Sint16 half_axis = (Sint16)SDL_ceil(SDL_JOYSTICK_AXIS_MAX / 2.0f);
-    if (axis > half_axis) {
-        return (Uint16)(axis - half_axis) * 4;
+    if (axisval > half_axis) {
+        return (Uint16)(axisval - half_axis) * 4;
     } else {
         return 0;
     }
@@ -539,7 +539,7 @@ main(int argc, char *argv[])
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
         return 1;
     }
-    
+
     SDL_GameControllerAddMappingsFromFile("gamecontrollerdb.txt");
 
     /* Print information about the mappings */