[sanitizer_common] Update global_symbols.txt.

GitOrigin-RevId: 98bb7fdbe586e7f95588c99c5363e94870da75f5
diff --git a/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt b/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
index fa42e2a..0838818 100644
--- a/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
+++ b/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
@@ -30,6 +30,8 @@
 __interceptor_pthread_setspecific w
 __interceptor_read w
 __interceptor_realpath w
+__isoc99_sscanf U
+__isoc99_vsscanf U
 __moddi3 U
 __sanitizer_symbolize_code T
 __sanitizer_symbolize_data T