(svn r2112) -Fix: ExtMidi no longer halts the game while starting a song
-Fix: Redirect stdin/stdout/stderr of the ExtMidi process to /dev/null, to prevent it from writing to the terminal
While here give the ExtMidi functions canonical names
#ifndef SCREENSHOT_H#define SCREENSHOT_Hvoid InitializeScreenshotFormats(void);const char *GetScreenshotFormatDesc(int i);void SetScreenshotFormat(int i);bool MakeScreenshot(void);bool MakeWorldScreenshot(int left, int top, int width, int height, int zoom);#endif