Fix Windows warnings.

This fixes a number of trivial warnings in the Windows build. This is part of a larger effort to make the Windows build warning-free.

See http://reviews.llvm.org/D3914 for more details.

Change by Zachary Turner

llvm-svn: 209749
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
index 4c2d369..ab4ed4c 100644
--- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
@@ -38,7 +38,7 @@
 using namespace lldb;
 using namespace lldb_private;
 
-#ifdef LLDB_DISABLE_POSIX
+#if defined(LLDB_DISABLE_POSIX) && !defined(SIGSTOP)
 #define SIGSTOP 17
 #endif