SDL_version.h: Fix some whitespace.

include/SDL3/SDL_version.h

@@ -77,11 +77,11 @@ typedef struct SDL_Version
  * \sa SDL_Version
  * \sa SDL_GetVersion
  */
-#define SDL_VERSION(x)                          \
-{                                   \
-    (x)->major = SDL_MAJOR_VERSION;                 \
-    (x)->minor = SDL_MINOR_VERSION;                 \
-    (x)->patch = SDL_PATCHLEVEL;                    \
+#define SDL_VERSION(x)                \
+{                                     \
+    (x)->major = SDL_MAJOR_VERSION;   \
+    (x)->minor = SDL_MINOR_VERSION;   \
+    (x)->patch = SDL_PATCHLEVEL;      \
 }
 
 /**