Merge pull request #115 from Free-Pascal-meets-SDL-Website/update-sdlaudio

This patch updates sdlaudio.inc to 2.26.3.
It also adds a definition for the cdouble type.

Author: suve

units/ctypes.inc

@@ -92,6 +92,10 @@ type
   cfloat = Single;
   {$EXTERNALSYM cfloat}
 
+  pcdouble = ^cdouble;
+  cdouble = Double;
+  {$EXTERNALSYM cfloat}
+
   pcint = ^cint;
   pcuint = ^cuint;
   pclong = ^clong;

units/sdl2.pas

@@ -170,7 +170,7 @@ interface
 {$I sdlpixels.inc}               // 2.0.14 WIP
 {$I sdlrect.inc}                 // 2.24.0
 {$I sdlrwops.inc}                // 2.0.14
-{$I sdlaudio.inc}
+{$I sdlaudio.inc}                // 2.26.3
 {$I sdlblendmode.inc}            // 2.0.14
 {$I sdlsurface.inc}              // 2.0.14
 {$I sdlvideo.inc}                // 2.24.0
@@ -344,9 +344,9 @@ procedure SDL_CompilerBarrier();
 
 //from "sdl_audio.h"
 
-function SDL_LoadWAV(_file: PAnsiChar; spec: PSDL_AudioSpec; audio_buf: ppcuint8; audio_len: pcuint32): PSDL_AudioSpec;
+function SDL_LoadWAV(file_: PAnsiChar; spec: PSDL_AudioSpec; audio_buf: ppcuint8; audio_len: pcuint32): PSDL_AudioSpec;
 begin
-  Result := SDL_LoadWAV_RW(SDL_RWFromFile(_file, 'rb'), 1, spec, audio_buf, audio_len);
+  Result := SDL_LoadWAV_RW(SDL_RWFromFile(file_, 'rb'), 1, spec, audio_buf, audio_len);
 end;
 
 function SDL_AUDIO_BITSIZE(x: Cardinal): Cardinal;