Fix build on ppc. (base gcc + libc++?)

Submitted by:	jhibbits (via irc)

emulators/qemu-devel/files/patch-include-qemu-common.h

@@ -0,0 +1,12 @@
+--- a/include/qemu-common.h
++++ b/include/qemu-common.h
+@@ -445,7 +445,9 @@ void qemu_hexdump(const char *buf, FILE 
+ #define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
+ /* altivec.h may redefine the bool macro as vector type.
+  * Reset it to POSIX semantics. */
++#ifndef __cplusplus
+ #define bool _Bool
++#endif
+ #elif defined __SSE2__
+ #include <emmintrin.h>
+ #define VECTYPE        __m128i