use correct paths when embedding unimrcp projects in another solution file

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13861 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/unimrcp/build/vsprops/apr.vsprops

@@ -15,14 +15,14 @@
 	/>
 	<UserMacro
 		Name="AprDir"
-		Value="$(ProjectRootDir)libs\apr"
+		Value="$(LibRootDir)libs\apr"
 	/>
 	<UserMacro
 		Name="AprUtilDir"
-		Value="$(ProjectRootDir)libs\apr-util"
+		Value="$(LibRootDir)libs\apr-util"
 	/>
 	<UserMacro
 		Name="AprIconvDir"
-		Value="$(ProjectRootDir)libs\apr-iconv"
+		Value="$(LibRootDir)libs\apr-iconv"
 	/>
 </VisualStudioPropertySheet>

libs/unimrcp/build/vsprops/sofiasip.vsprops

@@ -15,6 +15,6 @@
 	/>
 	<UserMacro
 		Name="SofiaDir"
-		Value="$(ProjectRootDir)libs\sofia-sip"
+		Value="$(LibRootDir)libs\sofia-sip"
 	/>
 </VisualStudioPropertySheet>

libs/unimrcp/build/vsprops/unibase.vsprops

@@ -19,6 +19,10 @@
 	/>
 	<UserMacro
 		Name="ProjectRootDir"
+		Value="$(ProjectDir)..\..\"
+	/>
+	<UserMacro
+		Name="LibRootDir"
 		Value="$(SolutionDir)"
 	/>
 </VisualStudioPropertySheet>