Use sync version of fs.lstat

Author: rosen-vladimirov

lib/services/project-changes-info.ts

@@ -102,7 +102,7 @@ export class ProjectChangesInfo {
 			if (fileStats.mtime.getTime() > mtime) {
 				return true;
 			}
-			let lFileStats = this.$fs.getLsStats(filePath).wait();
+			let lFileStats = this.$fs.getLsStats(filePath);
 			if (lFileStats.mtime.getTime() > mtime) {
 				return true;
 			}

test/stubs.ts

@@ -122,7 +122,7 @@ export class FileSystemStub implements IFileSystem {
 		return undefined;
 	}
 
-	getLsStats(path: string): IFuture<IFsStats> {
+	getLsStats(path: string): IFsStats {
 		return undefined;
 	}