Fix Clang compiler error
Fix Clang compiler error

Clang compiler does not recognize .func and .endFunc.
Removed them.

shihuade/openh264,shihuade/openh264,sijchen/openh264,cisco/openh264,GuangweiWang/openh264,ruil2/openh264,cisco/openh264,GuangweiWang/openh264,mstorsjo/openh264,mstorsjo/openh264,mstorsjo/openh264,shihuade/openh264,sijchen/openh264,mstorsjo/openh264,cisco/openh264,ruil2/openh264,shihuade/openh264,mstorsjo/openh264,ruil2/openh264,mstorsjo/openh264,cisco/openh264,shihuade/openh264,sijchen/openh264,ruil2/openh264,ruil2/openh264,mstorsjo/openh264,shihuade/openh264,GuangweiWang/openh264,GuangweiWang/openh264,sijchen/openh264,cisco/openh264,shihuade/openh264,cisco/openh264,GuangweiWang/openh264,sijchen/openh264,ruil2/openh264,cisco/openh264,ruil2/openh264,GuangweiWang/openh264,GuangweiWang/openh264,sijchen/openh264,sijchen/openh264