Fix modperl and modpython compilation.

Also fix few string-related inconsistences.

include/znc/Buffer.h

@@ -20,6 +20,7 @@ class CClient;
 
 class CBufLine {
 public:
+	CBufLine() { throw 0; } // shouldn't be called, but is needed for compilation
 	CBufLine(const CString& sFormat, const CString& sText = "", const timeval* ts = 0);
 	~CBufLine();
 	CString GetLine(const CClient& Client, const MCString& msParams) const;
@@ -46,6 +47,8 @@ protected:
 
 class CBuffer : private std::deque<CBufLine> {
 public:
+	typedef typename std::deque<CBufLine>::size_type size_type;
+
 	CBuffer(unsigned int uLineCount = 100);
 	~CBuffer();
 

include/znc/Utils.h

@@ -123,6 +123,8 @@ protected:
  */
 class CTable : protected std::vector<std::vector<CString> > {
 public:
+	typedef typename std::vector<std::vector<CString> >::size_type size_type;
+
 	CTable() {}
 	virtual ~CTable() {}