Simplify code by folding {Initialize,Cleanu[}CURL() in the caller

There doesn't seem to be any need to have separate functions when they
are just trivial wrappers.

include/wx/webrequest_curl.h

@@ -137,10 +137,6 @@ private:
 
     static int ms_activeSessions;
 
-    static void InitializeCURL();
-
-    static void CleanupCURL();
-
     wxDECLARE_NO_COPY_CLASS(wxWebSessionCURL);
 };
 

src/common/webrequest_curl.cpp

@@ -346,7 +346,10 @@ wxWebSessionCURL::wxWebSessionCURL() :
 {
     // Initialize CURL globally if no sessions are active
     if ( ms_activeSessions == 0 )
-        InitializeCURL();
+    {
+        if ( curl_global_init(CURL_GLOBAL_ALL) )
+            wxLogError("libcurl could not be initialized");
+    }
 
     ms_activeSessions++;
 }
@@ -370,7 +373,7 @@ wxWebSessionCURL::~wxWebSessionCURL()
     // Global CURL cleanup if this is the last session
     --ms_activeSessions;
     if ( ms_activeSessions == 0 )
-        CleanupCURL();
+        curl_global_cleanup();
 }
 
 void wxWebSessionCURL::Initialize()
@@ -534,18 +537,4 @@ wxVersionInfo  wxWebSessionCURL::GetLibraryVersionInfo()
         desc);
 }
 
-// static
-void wxWebSessionCURL::InitializeCURL()
-{
-    if ( curl_global_init(CURL_GLOBAL_ALL) )
-        wxLogError("libcurl could not be initialized");
-}
-
-// static
-void wxWebSessionCURL::CleanupCURL()
-{
-    if ( ms_activeSessions == 0 )
-        curl_global_cleanup();
-}
-
 #endif // wxUSE_WEBREQUEST_CURL