do not cast DBL_MAX to float

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@38656 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.out.gdal/local_proto.h

@@ -47,8 +47,8 @@
 #define TYPE_FLOAT64_MIN	(-MAXDOUBLE)
 #define TYPE_FLOAT64_MAX	MAXDOUBLE
 #else
-#define TYPE_FLOAT64_MIN	-1.79E308f
-#define TYPE_FLOAT64_MAX	1.79E308f
+#define TYPE_FLOAT64_MIN	-1.79E308
+#define TYPE_FLOAT64_MAX	1.79E308
 #endif
 
 #define GRASS_MAX_COLORS TYPE_UINT16_MAX    /* ok? */