Added definitions of MIN and MAX

git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@3141 67ed7778-7388-44ab-90cf-0a291f65f57c

frontends/command-line/gphoto2-cmd-capture.c

@@ -50,6 +50,13 @@
 #  define N_(String) (String)
 #endif
 
+#ifndef MAX
+#define MAX(x, y) (((x)>(y))?(x):(y))
+#endif
+#ifndef MIN
+#define MIN(x, y) (((x)<(y))?(x):(y))
+#endif
+
 int
 gp_cmd_capture_preview (Camera *camera, CameraFile *file)
 {