Removing trailing commas in enums in SDL headers

Trailing commas in enums is a C99 feature.
This commit removes them in SDL headers for ANSI compatibility.

include/SDL3/SDL_time.h

@@ -67,7 +67,7 @@ typedef enum SDL_DateFormat
 {
     SDL_DATE_FORMAT_YYYYMMDD = 0, /**< Year/Month/Day */
     SDL_DATE_FORMAT_DDMMYYYY = 1, /**< Day/Month/Year */
-    SDL_DATE_FORMAT_MMDDYYYY = 2, /**< Month/Day/Year */
+    SDL_DATE_FORMAT_MMDDYYYY = 2  /**< Month/Day/Year */
 } SDL_DateFormat;
 
 /**
@@ -80,7 +80,7 @@ typedef enum SDL_DateFormat
 typedef enum SDL_TimeFormat
 {
     SDL_TIME_FORMAT_24HR = 0, /**< 24 hour time */
-    SDL_TIME_FORMAT_12HR = 1, /**< 12 hour time */
+    SDL_TIME_FORMAT_12HR = 1  /**< 12 hour time */
 } SDL_TimeFormat;
 
 /*