fix modcheck to properly deal with prefix and don't alert on anything that isn't mod_ because ftmod_ gets installed here too and will alert

build/modcheck.sh

@@ -5,6 +5,9 @@ mods=$1
 on=''
 off=''
 
+prefix=`cat ../config.log | grep ^prefix=\' | awk -F \' '{print $2}'`
+mods=${prefix}/mod;
+
 if [ -z $mods ] ; then
     mods="/usr/local/freeswitch/mod"
 fi
@@ -15,7 +18,7 @@ echo
 here=`pwd`
 
 cd $mods
-files=`ls *.dylib *.so 2>/dev/null`
+files=`ls mod_*.dylib mod_*.so 2>/dev/null`
 cd $here
 
 for i in $files ; do