tidy-up: miscellaneous

- vms/curlmsg_vms.h: delete unused/commented code.
- vtls/schannel_verify: sort includes.
- typecheck-gcc.h: fix indent and alignment.
- lib/config-win32.h: drop idle `#undef`.
- spacecheck: check for stray empty lines before after curly braces.
- make literals more readable: 1048576 -> 1024 * 1024
- scope variables.
- use ISO date in a comment.
- drop redundant parentheses.
- drop empty comments.
- unfold lines.
- duplicate/stray spaces in comments.
- fix indent, whitespace, minor typos.

Closes #20690

src/tool_urlglob.c

@@ -93,7 +93,7 @@ static CURLcode glob_set(struct URLGlob *glob, const char **patternp,
 {
   /* processes a set expression with the point behind the opening '{'
      ','-separated elements are collected until the next closing '}'
-  */
+   */
   struct URLPattern *pat;
   bool done = FALSE;
   const char *pattern = *patternp;
@@ -217,7 +217,7 @@ static CURLcode glob_range(struct URLGlob *glob, const char **patternp,
      - num range: e.g. "0-9]", "17-2000]"
      - num range with leading zeros: e.g. "001-999]"
      expression is checked for well-formedness and collected until the next ']'
-  */
+   */
   struct URLPattern *pat;
   const char *pattern = *patternp;
   const char *c;
@@ -460,7 +460,7 @@ static CURLcode glob_parse(struct URLGlob *glob, const char *pattern,
       curlx_dyn_reset(&glob->buf);
     }
     else {
-      if(!*pattern) /* done  */
+      if(!*pattern) /* done */
         break;
       else if(*pattern == '{') {
         /* process set pattern */