Added MCC parsing in system info extractor, fixed MNC parsing for 2-digit MNC's
diff --git a/include/grgsm/misc_utils/extract_system_info.h b/include/grgsm/misc_utils/extract_system_info.h
index 8be10a1..72d87bf 100644
--- a/include/grgsm/misc_utils/extract_system_info.h
+++ b/include/grgsm/misc_utils/extract_system_info.h
@@ -54,6 +54,7 @@
       virtual std::vector<int> get_pwrs() = 0;
       virtual std::vector<int> get_lac() = 0;
       virtual std::vector<int> get_cell_id() = 0;
+      virtual std::vector<int> get_mcc() = 0;
       virtual std::vector<int> get_mnc() = 0;
       virtual std::vector<int> get_neighbours(int chan_id) = 0;
       virtual void reset() = 0;