Fixed warning formatting

Author: derekfreed

UnitySetup/UnitySetup.psm1

@@ -130,10 +130,11 @@ class UnityProjectInstance {
             if (!$prodName) { throw "ProjectSettings is missing productName" }
         }
         catch {
-            Write-Warning -Message "Could not read $projectSettingsFile, in the Unity project try setting Editor Settings > Asset Serialiazation Mode to 'Force Text'.
-            An Exception was caught!
-            Exception Type: $($_.Exception.GetType().FullName)
-            Exception Message: $($_.Exception.Message)"
+            $msg = "Could not read $projectSettingsFile, in the Unity project try setting Editor Settings > Asset Serialiazation Mode to 'Force Text'."
+            $msg += "`nAn Exception was caught!"
+            $msg += "`nException Type: $($_.Exception.GetType().FullName)"
+            $msg += "`nException Message: $($_.Exception.Message)"
+            Write-Warning -Message $msg
 
             $prodName = $null
         }