Bug#907411: pcsx2 FTBFS with gcc 8

[Adrian Bunk]

Source: pcsx2
Version: 1.4.0+dfsg-2
Severity: serious
Tags: ftbfs

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/i386/pcsx2.html

...
In file included from /usr/lib/gcc/i686-linux-gnu/8/include/x86intrin.h:74,
                 from /build/1st/pcsx2-1.4.0+dfsg/common/src/x86emitter/cpudetect.cpp:19:
/usr/lib/gcc/i686-linux-gnu/8/include/xsaveintrin.h:60:1: error: ambiguating new declaration of 'long long int _xgetbv(unsigned int)'
 _xgetbv (unsigned int __A)
 ^~~~~~~
In file included from /build/1st/pcsx2-1.4.0+dfsg/common/include/Pcsx2Defs.h:31,
                 from /build/1st/pcsx2-1.4.0+dfsg/common/src/x86emitter/PrecompiledHeader.h:23,
                 from /build/1st/pcsx2-1.4.0+dfsg/common/src/x86emitter/cpudetect.cpp:16:
/build/1st/pcsx2-1.4.0+dfsg/common/include/intrin_x86.h:107:69: note: old declaration 'long long unsigned int _xgetbv(unsigned int)'
 static __inline__ __attribute__((always_inline)) unsigned long long _xgetbv(unsigned int index)
                                                                     ^~~~~~~