migration: change 2nd arg of SDL_CreateRenderer to NULL if it was -1

build-scripts/SDL_migration.cocci

@@ -456,6 +456,15 @@ expression e1, e2, e3, e4, e5, e6, e7, e8, e9;
 
 )
 
+@@
+// SDL_CreateRenderer:
+// 2nd argument changed from int (default=-1) to const char* (default=NULL)
+expression e1, e2;
+@@
+SDL_CreateRenderer(e1,
+- -1
++ NULL
+, e2)
 
 
 // Renaming of SDL_oldnames.h
@@ -1737,8 +1746,4 @@ expression e1, e2, e3, e4, e5, e6, e7, e8, e9;
 @@
 - SDL_GetRectDisplayIndex
 + SDL_GetDisplayIndexForRect
-  (...)
-
-
-
-
+  (...)