ipa: Fix pritting of symtab_node type: Fix 'static_assert' [PR122512]

ipa: Fix pritting of symtab_node type: Fix 'static_assert' [PR122512]

Fix-up for commit r16-4914-ga3ee90fd3dc5d5c98f63a16f9cdd788c5d5c3335
"ipa: Fix pritting of symtab_node type [PR122512]":

    ../../source-gcc/gcc/symtab.cc:885:61: error: expected ‘,’ before ‘)’ token
     static_assert (ARRAY_SIZE(toplevel_type_names)==TOPLEVEL_MAX);
                                                                 ^
    ../../source-gcc/gcc/symtab.cc:885:61: error: expected string-literal before ‘)’ token
    make[2]: *** [Makefile:1215: symtab.o] Error 1

	PR ipa/122512
	gcc/
	* symtab.cc: Fix 'static_assert'.