objtool: Remove unneeded semicolon

Remove unnecessary semicolons reported by Coccinelle/coccicheck and the
semantic patch at scripts/coccinelle/misc/semicolon.cocci.

Signed-off-by: Chen Ni <[e-mail]>
Signed-off-by: Josh Poimboeuf <[e-mail]>

tools/objtool/builtin-check.c

···
 			ERROR_GLIBC("strdup(%s)", argv[i]);
 			exit(1);
 		}
-	};
+	}
 }
 
 void print_args(void)