replace "define\t" with "define " in most "normal" core files.

The main exceptions being dist/, ext/, and Configure related
files, which will be updated in a subsequent commit. Files in the cpan/
directory are also omitted as they are not owned by the core.

'#define' has seven characters, so following it with a \t makes it look
like '#define ' when it is not, which then frustrates attempts to find
where a given define is. If you *know* then you do a

    git grep -P 'define\s+WHATEVER'

but if don't or you forget, you can get very confused trying to find
where a given define is located. This fixes all such cases so they
actually are 'define WHATEVER' instead.

If this patch is getting in your way with blame analysis then view it
with the -w option to blame.

1 files changed, 1 insertions, 1 deletions

diff --git a/unixish.h b/unixish.h
index 28ebcbe953..097b85da2f 100644
--- a/unixish.h
+++ b/unixish.h
@@ -21,7 +21,7 @@
  *	This symbol, if defined, indicates that the ioctl() routine is
  *	available to set I/O characteristics
  */
-#define	HAS_IOCTL		/**/
+#define HAS_IOCTL               /**/
  
 /* HAS_UTIME:
  *	This symbol, if defined, indicates that the routine utime() is