fixed formatting and added defer

Author: John Bute

Sources/Swiftly/Init.swift

@@ -93,7 +93,7 @@ internal struct Init: SwiftlyCommand {
                 SwiftlyCore.print("  \(swiftlyBinDir.appendingPathComponent(executable).path)")
             }
 
-            guard promptForConfirmation(defaultBehavior: false) else {
+            guard SwiftlyCore.promptForConfirmation(defaultBehavior: false) else {
                 throw SwiftlyError(message: "Swiftly installation has been cancelled")
             }
         }

Sources/SwiftlyCore/Platform.swift

@@ -211,9 +211,9 @@ extension Platform {
         }
         process.waitUntilExit()
 
-        if pgid != -1 {
+        defer { if pgid != -1 {
             tcsetpgrp(STDOUT_FILENO, pgid)
-        }
+        }}
 
         guard process.terminationStatus == 0 else {
             throw RunProgramError(exitCode: process.terminationStatus, program: args.first!)
@@ -258,9 +258,9 @@ extension Platform {
 
         process.waitUntilExit()
 
-        if pgid != -1 {
+        defer { if pgid != -1 {
             tcsetpgrp(STDOUT_FILENO, pgid)
-        }
+        }}
 
         guard process.terminationStatus == 0 else {
             throw RunProgramError(exitCode: process.terminationStatus, program: args.first!)