Change the cpprest140_uwp static lib name to libcpprest140..lib

Author: kavyako

Release/src/build/vs14.uwp/cpprestsdk140.uwp.staticlib.vcxproj

@@ -59,7 +59,7 @@
     <DebugFileSuffix>d</DebugFileSuffix>
   </PropertyGroup>
   <PropertyGroup>
-    <TargetName>$(CppRestBaseFileName)140$(DebugFileSuffix)_uwp_$(CppRestSDKVersionFileSuffix)</TargetName>
+    <TargetName>lib$(CppRestBaseFileName)140$(DebugFileSuffix)_uwp_$(CppRestSDKVersionFileSuffix)</TargetName>
   </PropertyGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup />