- makensis should now compile on any POSIX compliment platform (Linux, *BSD, Mac OS X, etc.)

- improved makefiles so nothing is compiled when it's already up-to-date
- Added SW_HIDE to ExecShell's accepted show modes


git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@3518 212acab6-be3b-0410-9dea-997c60f758d6

Source/exehead/Ui.c

@@ -794,7 +794,7 @@ static int NSISCALL _sumsecsfield(int idx)
 #ifdef NSIS_CONFIG_COMPONENTPAGE
     if (sections[x].flags & SF_SELECTED)
 #endif
-      total += sections[x].fields[idx];
+      total += ((int *)&sections[x])[idx];
   }
   return total;
 }