No support for reading PPC hwcaps on OpenBSD.

Index: src/libFLAC/cpu.c
--- src/libFLAC/cpu.c.orig
+++ src/libFLAC/cpu.c
@@ -262,7 +262,7 @@ ppc_cpu_info (FLAC__CPUInfo *info)
 	} else if (hwcaps & PPC_FEATURE2_ARCH_2_07) {
 		info->ppc.arch_2_07 = true;
 	}
-#elif defined(__APPLE__)
+#elif defined(__APPLE__) || defined(__OpenBSD__)
 	/* no Mac OS X version supports CPU with Power AVI v2.07 or better */
 	info->ppc.arch_2_07 = false;
 	info->ppc.arch_3_00 = false;
