fix comment in the autoconf script

lang/tcl/8.3/patches/patch-ab

@@ -1,5 +1,5 @@
 --- configure.orig	Wed Apr 26 16:50:57 2000
-+++ configure	Tue Jul 18 04:04:05 2000
++++ configure	Wed Jul 19 02:11:34 2000
 @@ -5063,9 +5063,14 @@
  if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
    echo "$ac_t""yes" 1>&6
@@ -7,7 +7,7 @@
 -		# NetBSD/SPARC needs -fPIC, -fpic will not do.
 -		SHLIB_CFLAGS="-fPIC"
 -		SHLIB_LD="ld -Bshareable -x"
-+		# OpenBSD needs -fPIC, -fpic will not do.
++		# OpenBSD/SPARC needs -fPIC, -fpic will not do.
 +		case `machine` in
 +		sparc)
 +		    SHLIB_CFLAGS="-fPIC";;