Fix for hard link for freeradius-client

src/mod/applications/mod_rad_auth/Makefile

 switch_srcdir=../../../..
 
+ifdef FREERADIUSDIR
+FREERADIUSLA=$(FREERADIUSDIR)/libfreeradius-client.so
+else
 FREERADIUSLA=/usr/local/lib/libfreeradius-client.so
+endif
+
+
 LOCAL_LIBADD=$(FREERADIUSLA)
 
 include $(switch_srcdir)/build/modmake.rules