added SharedLibrary::setSearchPath()

Foundation/include/Poco/SharedLibrary.h

@@ -122,6 +122,16 @@ public:
 		/// (e.g., "d.so", "d.dll") unless the library has
 		/// been compiled with -DPOCO_NO_SHARED_LIBRARY_DEBUG_SUFFIX.
 
+	static bool setSearchPath(const std::string& path);
+		/// Adds the given path to the list of paths shared libraries
+		/// are searched in.
+		///
+		/// Returns true if the path was set, otherwise false.
+		///
+		/// Currently only supported on Windows, where it calls
+		/// SetDllDirectory(). On all other platforms, does not
+		/// do anything and returns false.
+
 private:
 	SharedLibrary(const SharedLibrary&);
 	SharedLibrary& operator = (const SharedLibrary&);