Don't leak macro definitions into header files

This allowed unnamespaced definitions to leak into header files,
breaking client code.

Fixes #142

1 files changed, 2 insertions, 2 deletions

diff --git a/src/main.c b/src/main.c
index fe94777..e5eac44 100644
--- a/src/main.c
+++ b/src/main.c
@@ -310,8 +310,8 @@ void check_options (void)
 		}
 	}
 
-    if (extra_type)
-        buf_m4_define( &m4defs_buf, "M4_EXTRA_TYPE_DEFS", extra_type);
+	if (extra_type)
+		buf_m4_define( &m4defs_buf, "M4_EXTRA_TYPE_DEFS", extra_type);
 
 	if (!use_stdout) {
 		FILE   *prev_stdout;