Fix lmbench build issues with GCC 14

Reviewed-by: Aleix Boné <abonerib@bsc.es>
Tested-by: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>

pkgs/lmbench/fix-install.patch

@@ -1,5 +1,5 @@
---- a/Makefile
-+++ b/Makefile
+--- a/src/Makefile
++++ b/src/Makefile
 @@ -144,6 +144,7 @@ install-target:
  	if [ ! -d $(BASE)/include ]; then mkdir $(BASE)/include; fi
  	if [ ! -d $(BASE)/lib ]; then mkdir $(BASE)/lib; fi