Bug 1233966 - build fixes for FreeBSD. r=jrmuizel

gfx/skia/skia/src/core/SkVarAlloc.cpp

@@ -11,7 +11,7 @@
 #if defined(SK_BUILD_FOR_MAC)
     #include <malloc/malloc.h>
 #elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_WIN32)
-    #include <malloc.h>
+//    #include <malloc.h>
 #endif
 
 struct SkVarAlloc::Block {

gfx/skia/skia/src/ports/SkTime_Unix.cpp

@@ -24,7 +24,11 @@ void SkTime::GetDateTime(DateTime* dt)
         int offset = tstruct->tm_isdst == 1 ? 60 : 0;
 
         // http://pubs.opengroup.org/onlinepubs/009695399/basedefs/time.h.html
+#if defined(__FreeBSD__)
+        dt->fTimeZoneMinutes = SkToS16(offset - tstruct->tm_gmtoff / 60);
+#else
         dt->fTimeZoneMinutes = SkToS16(offset - timezone / 60);
+#endif
         dt->fYear       = tstruct->tm_year + 1900;
         dt->fMonth      = SkToU8(tstruct->tm_mon + 1);
         dt->fDayOfWeek  = SkToU8(tstruct->tm_wday);