Update gcc submodule to 0ea98a1365b81f7488073512c850e8ee951a4afd

To keep it in sync with rustc_codegen_gcc.
diff --git a/src/gcc b/src/gcc
index 13cc824..0ea98a1 160000
--- a/src/gcc
+++ b/src/gcc
@@ -1 +1 @@
-Subproject commit 13cc8243226a9028bb08ab6c5e1c5fe6d533bcdf
+Subproject commit 0ea98a1365b81f7488073512c850e8ee951a4afd