chan_sip: Fix expression in unit test /channels/chan_sip/test_sip_rtpqos.

Fix misplaced parentheses in original fabs() expression.
........

Merged revisions 433816 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/13@433817 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/sip/dialplan_functions.c

@@ -386,7 +386,7 @@ AST_TEST_DEFINE(test_sip_rtpqos_1)
 			for (j = 1.0; j < 10.0; j += 0.3) {
 				*lookup[i].d8 = j;
 				ast_str_substitute_variables(&buffer, 0, chan, ast_str_buffer(varstr));
-				if (sscanf(ast_str_buffer(buffer), "%lf", &cmpdbl) != 1 || abs(j - cmpdbl > .05)) {
+				if (sscanf(ast_str_buffer(buffer), "%lf", &cmpdbl) != 1 || fabs(j - cmpdbl) > .05) {
 					res = AST_TEST_FAIL;
 					ast_test_status_update(test, "%s != %f != %s\n", ast_str_buffer(varstr), j, ast_str_buffer(buffer));
 					break;