whitespace fixes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/coreutils/realpath.c b/coreutils/realpath.c
index 90a71ed..3bc40ee 100644
--- a/coreutils/realpath.c
+++ b/coreutils/realpath.c
@@ -23,7 +23,7 @@
 
 	do {
 		char *resolved_path = xmalloc_realpath(*argv);
-	       	if (resolved_path != NULL) {
+		if (resolved_path != NULL) {
 			puts(resolved_path);
 			free(resolved_path);
 		} else {