patch 7.4.1487

Problem:    For WIN32 isinf() is defined as a macro.
Solution:   Define it as an inline function. (ZyX)

src/macros.h

@@ -331,7 +331,7 @@
 #  if defined(WIN32)
 #   ifndef isnan
 #    define isnan(x) _isnan(x)
-#    define isinf(x) (!_finite(x) && !_isnan(x))
+     static inline int isinf(double x) { return !_finite(x) && !_isnan(x); }
 #   endif
 #  else
 #   ifndef HAVE_ISNAN

src/version.c

@@ -743,6 +743,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1487,
 /**/
     1486,
 /**/