maint: make spacing around "=" consistent, even in IF_LINT

E.g.,
  -  size_t desired_width IF_LINT (= 0);
  +  size_t desired_width IF_LINT ( = 0);
Use this command:
  g grep -l IF_LINT | grep '\.[ch]$' \
    | xargs perl -pi -e 's/(IF_LINT \()= /$1 = /'

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ls.c b/src/ls.c
index 3c0443849..954913085 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -3849,7 +3849,7 @@ quote_name (FILE *out, const char *name, struct quoting_options const *options,
   char smallbuf[BUFSIZ];
   size_t len = quotearg_buffer (smallbuf, sizeof smallbuf, name, -1, options);
   char *buf;
-  size_t displayed_width IF_LINT (= 0);
+  size_t displayed_width IF_LINT ( = 0);
 
   if (len < sizeof smallbuf)
     buf = smallbuf;