Fix minor C type confusion

Returning false instead of NULL gets a compiler error under gcc-14
-std=gnu23, and it appears to have been unintentional.  Fix for commit
8492feb98f6.

diff --git a/src/backend/utils/sort/tuplesortvariants.c b/src/backend/utils/sort/tuplesortvariants.c
index 471d1197060d81c5ec0b33155defc121c2272f83..5f70e8dddac571bb435782906417162eeb5a01b5 100644 (file)
--- a/src/backend/utils/sort/tuplesortvariants.c
+++ b/src/backend/utils/sort/tuplesortvariants.c
@@ -1099,7 +1099,7 @@ tuplesort_getgintuple(Tuplesortstate *state, Size *len, bool forward)
        MemoryContextSwitchTo(oldcontext);
 
        if (!stup.tuple)
-               return false;
+               return NULL;
 
        tup = (GinTuple *) stup.tuple;