Fix windows build break, segfault on exit and bad library link location

indra/cmake/LLCommon.cmake

@@ -13,7 +13,11 @@ set(LLCOMMON_INCLUDE_DIRS
     ${Boost_INCLUDE_DIRS}
     )
 
-set(LLCOMMON_LIBRARIES llcommon)
+if (WINDOWS)
+   set(LLCOMMON_LIBRARIES llcommon iphlpapi)
+else (WINDOWS)
+   set(LLCOMMON_LIBRARIES llcommon)
+endif (WINDOWS)
 
 add_definitions(${TCMALLOC_FLAG})
 

indra/cmake/Linking.cmake

@@ -48,7 +48,6 @@ if (WINDOWS)
       wldap32
       gdi32
       user32
-      iphlpapi
       dbghelp
       )
 else (WINDOWS)

indra/newview/llappearancemgr.cpp

@@ -310,7 +310,7 @@ LLUpdateAppearanceOnDestroy::~LLUpdateAppearanceOnDestroy()
 {
 	llinfos << "done update appearance on destroy" << llendl;
 	
-	if (!LLApp::isExiting())
+	if (!LLApp::isExiting() && !LLApp::isStopped())
 	{
 		LLAppearanceManager::instance().updateAppearanceFromCOF();
 	}

indra/newview/llsechandler_basic.cpp

@@ -387,7 +387,7 @@ std::string cert_string_from_octet_string(ASN1_OCTET_STRING* value)
 	
 	std::stringstream result;
 	result << std::hex << std::setprecision(2);
-	for (unsigned int i=0; i < value->length; i++)
+	for (int i=0; i < value->length; i++)
 	{
 		if (i != 0) 
 		{