BUG/MINOR: displayed PCRE version is running release

pcre_version() returns the running PCRE release, not the release
haproxy was built with.

This simple string fix should be backported to supported releases,
as the output may be confusing.
(cherry picked from commit d64788d9c610163756cac6c91220875e51cba3ef)
(cherry picked from commit 3a011f15a8d61cd0088cc0e46743bdc7699db1af)
diff --git a/src/haproxy.c b/src/haproxy.c
index 19307ea..6ee3c59 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -304,7 +304,7 @@
 #endif
 
 #ifdef USE_PCRE
-	printf("Built with PCRE version : %s", pcre_version());
+	printf("Running on PCRE version : %s", pcre_version());
 	printf("\nPCRE library supports JIT : ");
 #ifdef USE_PCRE_JIT
 	{