*: remove last function calls to isspace

function                                             old     new   delta
xstrtoul_range_sfx                                   232     231      -1
xstrtoull_range_sfx                                  295     293      -2
trim                                                  82      80      -2
trim_trailing_spaces_and_print                        57      52      -5
isspace                                               18       -     -18

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/coreutils/cal.c b/coreutils/cal.c
index ef70b0e..7973b82 100644
--- a/coreutils/cal.c
+++ b/coreutils/cal.c
@@ -262,7 +262,7 @@
 	}
 	while (p != s) {
 		--p;
-		if (!(isspace)(*p)) {	/* We want the function... not the inline. */
+		if (!isspace(*p)) {
 			p[1] = '\0';
 			break;
 		}