Add forgotten patchset for protobuf.

dev-libs/protobuf/patches/protobuf_x86-2.4.1.patchset

@@ -0,0 +1,40 @@
+From 09a61c1c5843c5513563767126a4a9d574758bf0 Mon Sep 17 00:00:00 2001
+From: Humdinger <humdingerb@gmail.com>
+Date: Wed, 22 Jul 2015 19:53:18 +0200
+Subject: Add GTEST_OS_HAIKU.
+
+
+diff --git a/gtest/include/gtest/internal/gtest-port.h b/gtest/include/gtest/internal/gtest-port.h
+index ee97881..16c70ea 100644
+--- a/gtest/include/gtest/internal/gtest-port.h
++++ b/gtest/include/gtest/internal/gtest-port.h
+@@ -198,6 +198,8 @@
+ #define GTEST_OS_MAC 1
+ #elif defined __linux__
+ #define GTEST_OS_LINUX 1
++#elif defined __HAIKU__
++#define GTEST_OS_HAIKU 1
+ #elif defined __MVS__
+ #define GTEST_OS_ZOS 1
+ #elif defined(__sun) && defined(__SVR4)
+@@ -205,7 +207,7 @@
+ #endif  // __CYGWIN__
+ 
+ #if GTEST_OS_CYGWIN || GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_SYMBIAN || \
+-    GTEST_OS_SOLARIS
++    GTEST_OS_SOLARIS || GTEST_OS_HAIKU
+ 
+ // On some platforms, <regex.h> needs someone to define size_t, and
+ // won't compile otherwise.  We can #include it here as we already
+@@ -236,7 +238,7 @@
+ #define GTEST_USES_SIMPLE_RE 1
+ 
+ #endif  // GTEST_OS_CYGWIN || GTEST_OS_LINUX || GTEST_OS_MAC ||
+-        // GTEST_OS_SYMBIAN || GTEST_OS_SOLARIS
++        // GTEST_OS_SYMBIAN || GTEST_OS_SOLARIS || GTEST_OS_HAIKU
+ 
+ // Defines GTEST_HAS_EXCEPTIONS to 1 if exceptions are enabled, or 0
+ // otherwise.
+-- 
+2.2.2
+