tool_formparse.c: rename a couple of vars to avoid declaration shadowing

     build a linked list with the info */

  char name[256];

  char *contents = NULL;

  char major[128];

  char minor[128];

  char type_major[128];

  char type_minor[128];

  char *contp;

  const char *type = NULL;

  char *sep;

              /* verify that this is a fine type specifier */

              if(2 != sscanf(type, "%127[^/]/%127[^;,\n]",

                             major, minor)) {

                             type_major, type_minor)) {

                warnf(config, "Illegally formatted content-type field!\n");

                Curl_safefree(contents);

                FreeMultiInfo(&multi_start, &multi_current);

              }

              /* now point beyond the content-type specifier */

              sep = (char *)type + strlen(major)+strlen(minor)+1;

              sep = (char *)type + strlen(type_major)+strlen(type_minor)+1;

              /* there's a semicolon following - we check if it is a filename

                 specified and if not we simply assume that it is text that