video: Changed SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS to default to FALSE.

Fixes Bugzilla #5106.  (and probably many others, too!)

include/SDL_hints.h

@@ -369,7 +369,9 @@ extern "C" {
 #define SDL_HINT_MOUSE_TOUCH_EVENTS    "SDL_MOUSE_TOUCH_EVENTS"
 
 /**
- *  \brief Minimize your SDL_Window if it loses key focus when in fullscreen mode. Defaults to true.
+ *  \brief Minimize your SDL_Window if it loses key focus when in fullscreen mode. Defaults to false.
+ *  \warning  Before SDL 2.0.14, this defaulted to true! In 2.0.14, we're
+ *            seeing if "true" causes more problems than it solves in modern times.
  *
  */
 #define SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS   "SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS"

src/video/SDL_video.c

@@ -2734,7 +2734,7 @@ ShouldMinimizeOnFocusLoss(SDL_Window * window)
     }
 #endif
 
-    return SDL_GetHintBoolean(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, SDL_TRUE);
+    return SDL_GetHintBoolean(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, SDL_FALSE);
 }
 
 void