Revert "remove the customizations that were merged in with the project file changes we made on the ditto branch"

Doing this to restore Ditto includes on our down-stream branch.

Note: no changes should be made to this branch for up-stream merging!

This reverts commit ff64398d84.

sqlcipher.xcodeproj/project.pbxproj

@@ -192,6 +192,7 @@
 				HEADER_SEARCH_PATHS = (
 					"$(PROJECT_DIR)",
 					"$(OPENSSL_SRC)/include",
+					"$(DITTO_SRC)",
 				);
 				INSTALL_PATH = /usr/local/lib;
 				OTHER_CFLAGS = (
@@ -214,6 +215,7 @@
 				HEADER_SEARCH_PATHS = (
 					"$(PROJECT_DIR)",
 					"$(OPENSSL_SRC)/include",
+					"$(DITTO_SRC)",
 				);
 				INSTALL_PATH = /usr/local/lib;
 				OTHER_CFLAGS = (