replace a few string algorithms with boost utilities

src/ncmpcpp.cpp

@@ -37,6 +37,7 @@
 #include "charset.h"
 #include "cmdargs.h"
 #include "global.h"
+#include "error.h"
 #include "helpers.h"
 #include "lyrics.h"
 #include "playlist.h"
@@ -46,6 +47,15 @@
 #include "visualizer.h"
 #include "title.h"
 
+namespace boost {//
+
+void throw_exception(const std::exception &e)
+{
+	FatalError(std::string("Exception thrown: ") + e.what());
+}
+
+}
+
 namespace
 {
 	std::ofstream errorlog;