fix(nsis): undefined vars when customCheckAppRunning is defined

Author: dlon

.changeset/three-pets-sort.md

@@ -0,0 +1,5 @@
+---
+"app-builder-lib": patch
+---
+
+fix(nsis): undefined vars when customCheckAppRunning is defined

packages/app-builder-lib/templates/nsis/include/allowOnlyOneInstallerInstance.nsh

@@ -30,12 +30,12 @@
 !macroend
 
 !macro CHECK_APP_RUNNING
-  Var /GLOBAL CmdPath
-  Var /GLOBAL FindPath
-  Var /GLOBAL PowerShellPath
   !ifmacrodef customCheckAppRunning
     !insertmacro customCheckAppRunning
   !else
+    Var /GLOBAL CmdPath
+    Var /GLOBAL FindPath
+    Var /GLOBAL PowerShellPath
     StrCpy $CmdPath "$SYSDIR\cmd.exe"
     StrCpy $FindPath "$SYSDIR\find.exe"
     StrCpy $PowerShellPath "$SYSDIR\WindowsPowerShell\v1.0\powershell.exe"