tools/nolibc: fix return type of getpagesize()

It's documented as returning int which is also implemented by glibc and
musl, so adopt that return type.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>

tools/include/nolibc/sys.h

@@ -460,11 +460,11 @@ pid_t gettid(void)
 static unsigned long getauxval(unsigned long key);
 
 /*
- * long getpagesize(void);
+ * int getpagesize(void);
  */
 
 static __attribute__((unused))
-long getpagesize(void)
+int getpagesize(void)
 {
 	return __sysret(getauxval(AT_PAGESZ) ?: -ENOENT);
 }

tools/testing/selftests/nolibc/nolibc-test.c

@@ -636,7 +636,7 @@ int test_getdents64(const char *dir)
 
 static int test_getpagesize(void)
 {
-	long x = getpagesize();
+	int x = getpagesize();
 	int c;
 
 	if (x < 0)