progman: avoid assigning a variable to itself (LLVM/Clang)

[Austin English]

I commented it out instead to avoid an unused variable warning, but if
you'd prefer it removed completely, let me know.

-- 
-Austin
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diff --git a/programs/progman/program.c b/programs/progman/program.c
index bfbbc89..5a735e9 100644
--- a/programs/progman/program.c
+++ b/programs/progman/program.c
@@ -272,10 +272,8 @@ VOID PROGRAM_ExecuteProgram(HLOCAL hProgram)
 {
   PROGRAM *program = LocalLock(hProgram);
   LPSTR lpszCmdLine = LocalLock(program->hCmdLine);
-  LPSTR lpszWorkDir = LocalLock(program->hWorkDir);
-
   /* FIXME set working directory */
-  lpszWorkDir = lpszWorkDir;
+  /* LPSTR lpszWorkDir = LocalLock(program->hWorkDir); */
 
   WinExec(lpszCmdLine, program->nCmdShow);
   if (Globals.bMinOnRun) CloseWindow(Globals.hMainWnd);