silence msvc 2008 build warnings.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6796 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/win32/howl/libhowl.2008.vcproj

@@ -48,7 +48,6 @@
 				RuntimeLibrary="3"
 				UsePrecompiledHeader="0"
 				WarningLevel="0"
-				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 				CallingConvention="2"
 			/>
@@ -115,7 +114,6 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
 				WarningLevel="0"
-				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 				CallingConvention="2"
 			/>

libs/win32/iksemel/iksemel.2008.vcproj

@@ -48,7 +48,6 @@
 				RuntimeLibrary="3"
 				UsePrecompiledHeader="0"
 				WarningLevel="0"
-				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 			/>
 			<Tool
@@ -109,7 +108,6 @@
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
 				WarningLevel="0"
-				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 			/>
 			<Tool