Add missing Int64GetDatum macro in dbsize.c

I accidentally missed adding this when adjusting 55fe60938 for back
patching.  This adjustment was made for 9.6 to 13. 14 and master are not
affected.

Discussion: https://postgr.es/m/CAApHDvp=twCsGAGQG=A=cqOaj4mpknPBW-EZB-sd+5ZS5gCTtA@mail.gmail.com

diff --git a/src/backend/utils/adt/dbsize.c b/src/backend/utils/adt/dbsize.c
index 94672c63b2820abe955a793701b874eb8ad10a9d..b6a7712d9fdf505cfb601741391e943cf98dc8b0 100644 (file)
--- a/src/backend/utils/adt/dbsize.c
+++ b/src/backend/utils/adt/dbsize.c
@@ -639,7 +639,8 @@ numeric_truncated_divide(Numeric n, int64 divisor)
        Datum           divisor_numeric;
        Datum           result;
 
-       divisor_numeric = DirectFunctionCall1(int8_numeric, divisor);
+       divisor_numeric = DirectFunctionCall1(int8_numeric,
+                                                                                 Int64GetDatum(divisor));
        result = DirectFunctionCall2(numeric_div_trunc, d, divisor_numeric);
        return DatumGetNumeric(result);
 }