m_cap Convert capability names in CAP REQ to lowercase before processing them

Requested in #686

diff --git a/src/modules/m_cap.cpp b/src/modules/m_cap.cpp
index 22840ce2d1197844c33b626622b27d961b4d3d1b..605423ae049f0bf8c0472965c4caefee386b8db2 100644 (file)
--- a/src/modules/m_cap.cpp
+++ b/src/modules/m_cap.cpp
@@ -64,6 +64,7 @@ class CommandCAP : public Command
 
                        while (cap_stream.GetToken(cap_))
                        {
+                               std::transform(cap_.begin(), cap_.end(), cap_.begin(), ::tolower);
                                Data.wanted.push_back(cap_);
                        }