gdiplus: Moved two inline helpers to the header.

dlls/gdiplus/gdiplus_private.h

@@ -19,6 +19,7 @@
 #ifndef __WINE_GP_PRIVATE_H_
 #define __WINE_GP_PRIVATE_H_
 
+#include <math.h>
 #include "windef.h"
 #include "gdiplus.h"
 
@@ -26,6 +27,16 @@
 
 COLORREF ARGB2COLORREF(ARGB color);
 
+static inline INT roundr(REAL x)
+{
+    return (INT) floorf(x + 0.5);
+}
+
+static inline REAL deg2rad(REAL degrees)
+{
+    return M_PI * degrees / 180.0;
+}
+
 struct GpPen{
     UINT style;
     COLORREF color;

dlls/gdiplus/graphics.c

@@ -34,16 +34,6 @@ WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
 #define ANCHOR_WIDTH (2.0)
 #define MAX_ITERS (50)
 
-static inline INT roundr(REAL x)
-{
-    return (INT) floor(x+0.5);
-}
-
-static inline REAL deg2rad(REAL degrees)
-{
-    return (M_PI*2.0) * degrees / 360.0;
-}
-
 /* Converts angle (in degrees) to x/y coordinates */
 static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
 {