[Fix] Add missing includes for Linux/GCC build

Add <cctype> for std::tolower and <string> for std::string
in multipart_form.cxx. These are transitively included on
macOS/clang but not on Linux/GCC.

diff --git a/src/libserver/multipart_form.cxx b/src/libserver/multipart_form.cxx
index e0db74168114ef2e92657687fd7ceb6d64d55644..3d85a34fb080f5ac5b1469faaf64b61827c427c7 100644 (file)
--- a/src/libserver/multipart_form.cxx
+++ b/src/libserver/multipart_form.cxx
@@ -16,7 +16,9 @@
 
 #include "multipart_form.hxx"
 #include <algorithm>
+#include <cctype>
 #include <cstring>
+#include <string>
 
 namespace rspamd::http {