Fix command line syntax in prebuild event

Author: HSPMDev15

sp/src/vpc_scripts/source_dll_win32_base.vpc

@@ -57,12 +57,13 @@ $Configuration
 
 	$PreBuildEvent
 	{
-		$CommandLine		"if EXIST $OUTBINDIR\$(TargetFileName) for /f $QUOTEdelims=$QUOTE %%A in ('attrib $QUOTE$OUTBINDIR\$(TargetFileName)$QUOTE') do set valveTmpIsReadOnly=$QUOTE%%A$QUOTE" "\n" \
+		$CommandLine		"if EXIST $QUOTE$OUTBINDIR\$(TargetFileName)$QUOTE (for /f %%A in ('attrib $QUOTE$OUTBINDIR\$(TargetFileName)$QUOTE') do set valveTmpIsReadOnly=%%A)" "\n" \
 							"set valveTmpIsReadOnlyLetter=%valveTmpIsReadOnly:~6,1%" "\n" \
-							"if $QUOTE%valveTmpIsReadOnlyLetter%$QUOTE==$QUOTER$QUOTE del /q $QUOTE$(TargetDir)$QUOTE$(TargetFileName)" "\n" \
+							"if $QUOTE%valveTmpIsReadOnlyLetter%$QUOTE==$QUOTER$QUOTE del /q $QUOTE$(TargetDir)$QUOTE$(TargetFileName)$QUOTE" "\n" \
 							"$CRCCHECK" "\n"
 	}
 
+
 	$PostBuildEvent [!$ANALYZE]
 	{
 		$CommandLine		"if not exist $QUOTE$OUTBINDIR$QUOTE mkdir $QUOTE$OUTBINDIR$QUOTE" "\n" 
@@ -143,4 +144,3 @@ $Project
 		$Implib	"$LIBPUBLIC\vstdlib"
 	}
 }
-