Removed C++-style single-line comments from a public header (thanks, …

…Martin!).

  Fixes Bugzilla #1803.

include/SDL_mouse.h

@@ -47,18 +47,18 @@ typedef struct SDL_Cursor SDL_Cursor;   /* Implementation dependent */
  */
 typedef enum
 {
-    SDL_SYSTEM_CURSOR_ARROW,     // Arrow
-    SDL_SYSTEM_CURSOR_IBEAM,     // I-beam
-    SDL_SYSTEM_CURSOR_WAIT,      // Wait
-    SDL_SYSTEM_CURSOR_CROSSHAIR, // Crosshair
-    SDL_SYSTEM_CURSOR_WAITARROW, // Small wait cursor (or Wait if not available)
-    SDL_SYSTEM_CURSOR_SIZENWSE,  // Double arrow pointing northwest and southeast
-    SDL_SYSTEM_CURSOR_SIZENESW,  // Double arrow pointing northeast and southwest
-    SDL_SYSTEM_CURSOR_SIZEWE,    // Double arrow pointing west and east
-    SDL_SYSTEM_CURSOR_SIZENS,    // Double arrow pointing north and south
-    SDL_SYSTEM_CURSOR_SIZEALL,   // Four pointed arrow pointing north, south, east, and west
-    SDL_SYSTEM_CURSOR_NO,        // Slashed circle or crossbones
-    SDL_SYSTEM_CURSOR_HAND,      // Hand
+    SDL_SYSTEM_CURSOR_ARROW,     /**< Arrow */
+    SDL_SYSTEM_CURSOR_IBEAM,     /**< I-beam */
+    SDL_SYSTEM_CURSOR_WAIT,      /**< Wait */
+    SDL_SYSTEM_CURSOR_CROSSHAIR, /**< Crosshair */
+    SDL_SYSTEM_CURSOR_WAITARROW, /**< Small wait cursor (or Wait if not available) */
+    SDL_SYSTEM_CURSOR_SIZENWSE,  /**< Double arrow pointing northwest and southeast */
+    SDL_SYSTEM_CURSOR_SIZENESW,  /**< Double arrow pointing northeast and southwest */
+    SDL_SYSTEM_CURSOR_SIZEWE,    /**< Double arrow pointing west and east */
+    SDL_SYSTEM_CURSOR_SIZENS,    /**< Double arrow pointing north and south */
+    SDL_SYSTEM_CURSOR_SIZEALL,   /**< Four pointed arrow pointing north, south, east, and west */
+    SDL_SYSTEM_CURSOR_NO,        /**< Slashed circle or crossbones */
+    SDL_SYSTEM_CURSOR_HAND,      /**< Hand */
     SDL_NUM_SYSTEM_CURSORS
 } SDL_SystemCursor;