fix bsd build

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5227 d0543943-73ff-0310-b7d9-9358b9ac24b2

configure.in

@@ -139,6 +139,9 @@ case "$host" in
     *-solaris2*)
         APR_ADDTO(SWITCH_AM_CFLAGS, -DPATH_MAX=2048)
     ;;
+    *bsd*)
+        APR_ADDTO(SWITCH_AM_CFLAGS, -I/usr/local/include)
+    ;;
 esac
 
 APR_REMOVEFROM(SWITCH_AM_CXXFLAGS, -std=c99)