patch 9.1.0104: Linking fails with -lto because of PERL_CFLAGS

Problem:  Linking fails with -lto because of PERL_CFLAGS
          (Zoltan Toth)
Solution: Filter out -flto argument from Perl CFLAGS.

fixes: #14012

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index e28a326..17a7899 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    104,
+/**/
     103,
 /**/
     102,