More buildfix

Common/Data/Encoding/Utf8.cpp

@@ -372,6 +372,8 @@ int u8_is_locale_utf8(const char *locale)
   return 0;
 }
 
+UTF8::UTF8(const char *c) : c_(c), size_((int)strlen(c)), index_(0) {}
+
 bool AnyEmojiInString(std::string_view str, size_t byteCount) {
 	int i = 0;
 	while (i < byteCount) {

Common/Data/Encoding/Utf8.h

@@ -39,7 +39,7 @@ class UTF8 {
 public:
 	static const uint32_t INVALID = (uint32_t)-1;
 	// TODO: Try to get rid of this constructor.
-	explicit UTF8(const char *c) : c_(c), size_((int)strlen(c)), index_(0) {}
+	explicit UTF8(const char *c);
 	explicit UTF8(std::string_view view) : c_(view.data()), size_((int)view.size()), index_(0) {}
 	explicit UTF8(std::string_view view, int index) : c_(view.data()), size_((int)view.size()), index_(index) {}
 	bool end() const { return index_ == size_; }

ext/rcheevos-build/CMakeLists.txt

@@ -24,7 +24,6 @@ set(ALL_SOURCE_FILES
 	${SRC_DIR}/rc_compat.h
 	${SRC_DIR}/rc_compat.h
 	${SRC_DIR}/rc_compat.c
-	${SRC_DIR}/rc_util.h
 	${SRC_DIR}/rc_util.c
 	${SRC_DIR}/rc_client.c
 	${SRC_DIR}/rc_client_internal.h