Fix a number of cases where files opened with cache1d.cpp's kopen_internal() could be leaked.

git-svn-id: https://svn.eduke32.com/eduke32@6570 1a8010ca-5511-0410-912e-c29ae57300e0

source/build/src/defs.cpp

@@ -678,7 +678,10 @@ static int32_t defsparser(scriptfile *script)
             artheader_t local;
             int32_t headerval = E_ReadArtFileHeader(fil, fn, &local);
             if (headerval != 0)
+            {
+            	kclose(fil);
                 break;
+            }
 
             if (havetile)
             {

source/build/src/engine.cpp

@@ -9134,7 +9134,10 @@ int32_t loadboard(const char *filename, char flags, vec3_t *dapos, int16_t *daan
         { mapversion = 7; return -1; }
 
     if (kread(fil, &mapversion, 4) != 4)
+    {
+    	kclose(fil);
         return -2;
+    }
 
     {
         int32_t ok = 0;

source/build/src/lunatic.cpp

@@ -73,7 +73,10 @@ static int32_t read_whole_file(const char *fn, char **retbufptr)
 
     flen = kfilelength(fid);
     if (flen == 0)
+    {
+    	kclose(fid);
         return 5;
+    }
 
     buf = (char *)Xmalloc(flen+1);
 

source/build/src/tiles.cpp

@@ -440,7 +440,10 @@ static int32_t E_ReadArtFileOfID(int32_t tilefilei)
         artheader_t local;
         int const headerval = E_ReadArtFileHeader(fil, fn, &local);
         if (headerval != 0)
+        {
+        	kclose(fil);
             return headerval;
+        }
 
         if (permap)
         {

source/duke3d/src/anim.cpp

@@ -295,6 +295,7 @@ int32_t Anim_Play(const char *fn)
         {
             OSD_Printf("Error initializing VPX codec.\n");
             animvpx_restore_glstate();
+            kclose(handle);
             return 0;
         }
 

source/duke3d/src/savegame.cpp

@@ -166,7 +166,10 @@ static void ReadSaveGameHeaders_CACHE1D(CACHE1D_FIND_REC *f)
             if (k > 0)
                 msv.isOldVer = 1;
             else
+            {
+            	kclose(fil);
                 continue;
+            }
             // else h.savename is all zeros (fatal failure, like wrong header
             // magic or too short header)
         }