patch 9.1.0408: configure fails on Fedora when including perl

Problem:  configure fails on Fedora when including perl
          (chesheer-smile)
Solution: Filter out -spec=<path> from $LIBS and $LDFLAGS to avoid
          linking relocation errors for unrelated autoconf tests.

closes: #14526

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 828b3c7..430e796 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    408,
+/**/
     407,
 /**/
     406,