- Fixed all known problems with temporary files and directoroes

- Command line switches work again (/NCRC and /S)
- GetTempFileName now takes another argument as base directory (default is $TEMP)
- Message boxes work from .onGUIEnd
- Some more optimizations


git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2739 212acab6-be3b-0410-9dea-997c60f758d6

Source/script.cpp

@@ -3914,6 +3914,10 @@ int CEXEBuild::doCommand(int which_token, LineParser &line)
     case TOK_GETTEMPFILENAME:
       ent.which=EW_GETTEMPFILENAME;
       ent.offsets[0]=GetUserVarIndex(line, 1);
+      if (line.getnumtokens() == 3)
+        ent.offsets[1]=add_string(line.gettoken_str(2));
+      else
+        ent.offsets[1]=add_string("$TEMP");
       if (ent.offsets[0]<0) PRINTHELP()
       SCRIPT_MSG("GetTempFileName -> %s\n",line.gettoken_str(1));
     return add_entry(&ent);