add missing 'break' in load_profile()

'case OPTION_OFILE' missed the 'break', which means if did fallthrough
to the default case.

Adding the 'break' means no longer executing another PERROR, and no
longer executing the 'exit(1)' in the default branch.

References: coverity #55994

parser/parser_interface.c

@@ -118,6 +118,7 @@ int load_profile(int option, aa_kernel_interface *kernel_interface,
 		case OPTION_OFILE:
 			PERROR(_("%s: Unable to write to output file\n"),
 			       progname);
+			break;
 		default:
 			PERROR(_("%s: ASSERT: Invalid option: %d\n"),
 			       progname, option);