make --help texts more uniform

function                                             old     new   delta
packed_usage                                       31062   31035     -27

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/coreutils/expand.c b/coreutils/expand.c
index 29affc9..63b6823 100644
--- a/coreutils/expand.c
+++ b/coreutils/expand.c
@@ -8,13 +8,13 @@
  * David MacKenzie <djm@gnu.ai.mit.edu>
  *
  * Options for expand:
- * -t num  --tabs=NUM      Convert tabs to num spaces (default 8 spaces).
+ * -t num  --tabs NUM      Convert tabs to num spaces (default 8 spaces).
  * -i      --initial       Only convert initial tabs on each line to spaces.
  *
  * Options for unexpand:
  * -a      --all           Convert all blanks, instead of just initial blanks.
  * -f      --first-only    Convert only leading sequences of blanks (default).
- * -t num  --tabs=NUM      Have tabs num characters apart instead of 8.
+ * -t num  --tabs NUM      Have tabs num characters apart instead of 8.
  *
  *  Busybox version (C) 2007 by Tito Ragusa <farmatito@tiscali.it>
  *
@@ -54,7 +54,7 @@
 //usage:       "Convert tabs to spaces, writing to stdout\n"
 //usage:	IF_FEATURE_EXPAND_LONG_OPTIONS(
 //usage:     "\n	-i,--initial	Don't convert tabs after non blanks"
-//usage:     "\n	-t,--tabs=N	Tabstops every N chars"
+//usage:     "\n	-t,--tabs N	Tabstops every N chars"
 //usage:	)
 //usage:	IF_NOT_FEATURE_EXPAND_LONG_OPTIONS(
 //usage:     "\n	-i	Don't convert tabs after non blanks"
@@ -68,7 +68,7 @@
 //usage:	IF_FEATURE_UNEXPAND_LONG_OPTIONS(
 //usage:     "\n	-a,--all	Convert all blanks"
 //usage:     "\n	-f,--first-only	Convert only leading blanks"
-//usage:     "\n	-t,--tabs=N	Tabstops every N chars"
+//usage:     "\n	-t,--tabs N	Tabstops every N chars"
 //usage:	)
 //usage:	IF_NOT_FEATURE_UNEXPAND_LONG_OPTIONS(
 //usage:     "\n	-a	Convert all blanks"