patch 9.0.1529: code style test doesn't check for space after "if"
Problem: Code style test doesn't check for space after "if".
Solution: Add a test for space.
diff --git a/src/macros.h b/src/macros.h
index a8c6e43..b41a818 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -240,7 +240,7 @@
#define MB_CHARLEN(p) (has_mbyte ? mb_charlen(p) : (int)STRLEN(p))
#define MB_CHAR2LEN(c) (has_mbyte ? mb_char2len(c) : 1)
#define PTR2CHAR(p) (has_mbyte ? mb_ptr2char(p) : (int)*(p))
-#define MB_CHAR2BYTES(c, b) do { if (has_mbyte) (b) += (*mb_char2bytes)((c), (b)); else *(b)++ = (c); } while(0)
+#define MB_CHAR2BYTES(c, b) do { if (has_mbyte) (b) += (*mb_char2bytes)((c), (b)); else *(b)++ = (c); } while (0)
#ifdef FEAT_AUTOCHDIR
# define DO_AUTOCHDIR do { if (p_acd) do_autochdir(); } while (0)