change app tracking from int to bool

Uninstall-MSI.ps1

@@ -25,7 +25,7 @@ Foreach ( $reg in $UNINSTALL_KEYS ) {
     $MODIFYPATH = $REG_PROPERTY.ModifyPath
 
     # Track whether an app was uninstalled or not
-    $PRODUCTUNINSTALLED = 0
+    $PRODUCTUNINSTALLED = $false
 
     # Make sure the DisplayName matches what we're looking for
     If ( $DISPLAY_NAME -ilike $APP_NAME ) {
@@ -41,7 +41,7 @@ Foreach ( $reg in $UNINSTALL_KEYS ) {
             If ( $PRODUCT_CODE ) {
                 LogMsg "Uninstalling ${DISPLAY_NAME} ${PRODUCT_CODE}"
                 $arguments = '/X{' + $PRODUCT_CODE + '} /qn /norestart'
-                Try { Start-Process -FilePath "msiexec.exe" -ArgumentList $arguments -Wait ; $PRODUCTUNINSTALLED++ }
+                Try { Start-Process -FilePath "msiexec.exe" -ArgumentList $arguments -Wait ; $PRODUCTUNINSTALLED = $true }
                 Catch { LogErr $_.Exception.Message }
             }
         }
@@ -49,5 +49,5 @@ Foreach ( $reg in $UNINSTALL_KEYS ) {
             LogMsg "Cannot uninstall ""${DISPLAY_NAME}""`n                      UninstallString: ${UNINSTALLSTRING}"
         }
     }
-    If ( $PRODUCTUNINSTALLED -gt 0 ) { LogMsg "No product matching ${APP_NAME} was found"}
+    If ( $PRODUCTUNINSTALLED -eq $false ) { LogMsg "No product matching ${APP_NAME} was found"}
 }