MODAPP-389

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16465 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_vmd/mod_vmd.c

@@ -47,7 +47,7 @@
 #include <float.h>
 #define ISNAN(x) (!!(_isnan(x)))
 #else
-#define ISNAN(x) ((x)== NAN)
+#define ISNAN(x) (isnan(x))
 #endif
 
 /*! Number of points for beep detection. */