Update project format from Xcode 3.2-compatible to Xcode 9.3-compatible

Author: dempseyatgithub

BuildSettingExtractor.xcodeproj/project.pbxproj

@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 46;
+	objectVersion = 50;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -240,7 +240,7 @@
 				};
 			};
 			buildConfigurationList = 53719E8A19BF4C6D005D3DE0 /* Build configuration list for PBXProject "BuildSettingExtractor" */;
-			compatibilityVersion = "Xcode 3.2";
+			compatibilityVersion = "Xcode 9.3";
 			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (