Disable sqlite macro include for good

contrib/libs/sqlite3/sqlite3.c

@@ -296,7 +296,7 @@
 #ifdef SQLITE_CUSTOM_INCLUDE
 # define INC_STRINGIFY_(f) #f
 # define INC_STRINGIFY(f) INC_STRINGIFY_(f)
-# include INC_STRINGIFY(SQLITE_CUSTOM_INCLUDE)
+# error #include INC_STRINGIFY(SQLITE_CUSTOM_INCLUDE)
 #endif
 
 /* The public SQLite interface.  The _FILE_OFFSET_BITS macro must appear