Need to remove even capital letters from the releases as Apple has now started appending things to libs it changes (e.g., flex on Mountain Lion). Cleanup the case logic to handle all cases so we don't fall down to "unknown" by mistake.

This commit was SVN r26983.

contrib/dist/make_dist_tarball

@@ -109,8 +109,8 @@ check_gnu_version() {
     # somehow" kind of message (because I'm not going to code up a
     # complex/clever alphanumeric lower/higher comparison thingy).
     # Sigh.
-    ver_release=`echo $ver_release | sed 's/[a-z]//g'`
-    target_release=`echo $target_release | sed 's/[a-z]//g'`
+    ver_release=`echo $ver_release | sed 's/[A-Za-z]//g'`
+    target_release=`echo $target_release | sed 's/[A-Za-z]//g'`
 
     result=same
     if test "$ver" != "$target"; then 
@@ -124,8 +124,12 @@ check_gnu_version() {
             result=high
         elif test "$ver_major" = "$target_major" -a "$ver_minor" -gt "$target_minor"; then
             result=high
+        elif test "$ver_major" = "$target_major" -a "$ver_minor" = "$target_minor" -a "$ver_release" = "$target_release"; then
+            result=same
         elif test "$ver_major" = "$target_major" -a "$ver_minor" = "$target_minor" -a "$ver_release" -gt "$target_release"; then
             result=high
+        elif test "$ver_major" = "$target_major" -a "$ver_minor" = "$target_minor" -a "$ver_release" -lt "$target_release"; then
+            result=low
         else
             result=unknown
         fi