*: Fix minor issues

Signed-off-by: Thomas Hipp <thomas.hipp@canonical.com>

distrobuilder/main_build-dir.go

@@ -33,7 +33,7 @@ func (c *cmdBuildDir) command() *cobra.Command {
 					continue
 				}
 
-				err := generator.Run(c.global.flagCacheDir, c.global.sourceDir, file)
+				err := generator.Run(c.global.flagCacheDir, c.global.targetDir, file)
 				if err != nil {
 					continue
 				}

generators/dump.go

@@ -40,7 +40,7 @@ func (g DumpGenerator) dumpFile(path, content string) error {
 	}
 	defer file.Close()
 
-	_, err = file.WriteString(content)
+	_, err = file.WriteString(content + "\n")
 	if err != nil {
 		return err
 	}