fix gcc warning: make argument to ternary operation boolean

This change is cosmetic and only silences a gcc warning (-Wint-in-bool-context)

Signed-off-by: Ani Sinha <[email protected]>

Author: ani-sinha

Include/pymem.h

@@ -72,9 +72,9 @@ PyAPI_FUNC(void) PyMem_Free(void *);
 /* Returns NULL to indicate error if a negative size or size larger than
    Py_ssize_t can represent is supplied.  Helps prevents security holes. */
 #define PyMem_MALLOC(n)		((size_t)(n) > (size_t)PY_SSIZE_T_MAX ? NULL \
-				: malloc((n) ? (n) : 1))
+				: malloc((n) != 0? (n) : 1))
 #define PyMem_REALLOC(p, n)	((size_t)(n) > (size_t)PY_SSIZE_T_MAX  ? NULL \
-				: realloc((p), (n) ? (n) : 1))
+				: realloc((p), (n) != 0? (n) : 1))
 #define PyMem_FREE		free
 
 #endif	/* PYMALLOC_DEBUG */