also use _isnan for mingw compiles

mhugent · mhugent · commit 9d2bcc97e171 · 2009-03-31T06:39:54.000Z
git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@10445 c8812cc2-4d05-0410-92ff-de0c093fc19c
diff --git a/src/plugins/interpolation/qgsinterpolator.cpp b/src/plugins/interpolation/qgsinterpolator.cpp
@@ -23,7 +23,7 @@
 #else
 #include <math.h>
 #endif
-#ifdef _MSC_VER
+#ifdef WIN32
 #include <float.h>
 #define isnan(f) _isnan(f)
 #endif
