installer: initialize a variable

diff --git a/development/Win32/packaging/installer/include/detection.nsh b/development/Win32/packaging/installer/include/detection.nsh
index b9f61af0ed9c3c6f3dc0c673f07fb365bb060be1..b0d09b3b5e806574725fa84a5e45fd3106a56ec0 100644 (file)
--- a/development/Win32/packaging/installer/include/detection.nsh
+++ b/development/Win32/packaging/installer/include/detection.nsh
@@ -40,6 +40,7 @@ Function MissingPrograms
   # 2. 64bit Windows but 32bit Ghostscript
   # 3. 64bit Windows and 64bit Ghostscript
   StrCpy $3 0
+  StrCpy $4 "0"
   ${if} ${RunningX64}
    SetRegView 64
   ${endif}