Fix remaining typos (#7921)

* Fix remaining typos

Found via `codespell -q 3 -S *.hex,*.pdf,./src/libm,./src/hidapi,./src/stdlib/SDL_malloc.c,./src/video/x11/edid.h -L caf,currenty,datas,einstance,fo,hda,lod,mata,parm,parms,pevent,pevents,pixelx,requestor,ser,statics,te,texturers,thid,uscaled,windowz`

src/core/freebsd/SDL_evdev_kbd_freebsd.c

@@ -155,7 +155,7 @@ static void kbd_unregister_emerg_cleanup()
             continue;
         }
 
-        /* Check if action installed and not modifed */
+        /* Check if action installed and not modified */
         if (!(cur_action.sa_flags & SA_SIGINFO) || cur_action.sa_sigaction != &kbd_cleanup_signal_action) {
             continue;
         }

src/core/linux/SDL_evdev_kbd.c

@@ -230,7 +230,7 @@ static void kbd_unregister_emerg_cleanup(void)
             continue;
         }
 
-        /* Check if action installed and not modifed */
+        /* Check if action installed and not modified */
         if (!(cur_action.sa_flags & SA_SIGINFO) || cur_action.sa_sigaction != &kbd_cleanup_signal_action) {
             continue;
         }

src/core/winrt/SDL_winrtapp_direct3d.cpp

@@ -504,7 +504,7 @@ void SDL_WinRTApp::OnVisibilityChanged(CoreWindow ^ sender, VisibilityChangedEve
         }
 
         // HACK: Prevent SDL's window-hide handling code, which currently
-        // triggers a fake window resize (possibly erronously), from
+        // triggers a fake window resize (possibly erroneously), from
         // marking the SDL window's surface as invalid.
         //
         // A better solution to this probably involves figuring out if the

src/core/winrt/SDL_winrtapp_xaml.cpp

@@ -134,7 +134,7 @@ int SDL_WinRTInitXAMLApp(int (*mainFunction)(int, char **), void *backgroundPane
     // CoreWindow.  WinRT will not allow the app's CoreWindow to be accessed via the
     // SDL/WinRT thread.
     if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0) {
-        // SDL_InitSubSystem will, on error, set the SDL error.  Let that propogate to
+        // SDL_InitSubSystem will, on error, set the SDL error.  Let that propagate to
         // the caller to here:
         WINRT_XAMLWasEnabled = oldXAMLWasEnabledValue;
         return -1;