Move similar/main/gameseg.c -> similar/main/gameseg.cpp

SConstruct

@@ -766,7 +766,7 @@ class DXXProgram(DXXCommon):
 'main/gamefont.cpp',
 'main/gamerend.cpp',
 'main/gamesave.cpp',
-'main/gameseg.c',
+'main/gameseg.cpp',
 'main/gauges.c',
 'main/hostage.c',
 'main/hud.c',

similar/main/gameseg.cpp

@@ -17,6 +17,7 @@ COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  *
  */
 
+#include <algorithm>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>	//	for memset()
@@ -40,6 +41,8 @@ COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
 #include "editor/editor.h"
 #endif
 
+using std::min;
+
 // How far a point can be from a plane, and still be "in" the plane
 #define PLANE_DIST_TOLERANCE	250