fix for broken msvc 2005 math.h

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8680 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/voipcodecs/src/lpc10_decode.c

@@ -43,6 +43,13 @@
 #if defined(HAVE_MATH_H)
 #include <math.h>
 #endif
+#if (_MSC_VER = 1400) /* fix for broken header files with msvc 2005*/
+#if !defined (_M_IA64) && !defined (_M_AMD64)
+#undef logf
+#define logf(x)     ((float)log((double)(x)))
+#endif    // !defined (_M_IA64) && !defined (_M_AMD64)
+#endif
+
 #include <memory.h>
 
 #include "voipcodecs/telephony.h"