raylib: remove null byte so ripgrep works better

extra/raylib/raylib.factor

@@ -865,9 +865,9 @@ FUNCTION-ALIAS: load-file-data c-string LoadFileData ( c-string fileName, uint*
 FUNCTION-ALIAS: unload-file-data void UnloadFileData ( c-string data )                                ! Unload file data allocated by LoadFileData()
 FUNCTION-ALIAS: save-file-data bool SaveFileData ( c-string fileName, void* data, uint bytesToWrite ) ! Save data to file from byte array (write), returns true on success
 FUNCTION-ALIAS: export-data-as-code bool ExportDataAsCode ( uchar* data, uint size, c-string fileName ) ! Export data to code (.h), returns true on success
-FUNCTION-ALIAS: load-file-text c-string LoadFileText ( c-string fileName )                            ! Load text data from file (read), returns a '
+FUNCTION-ALIAS: load-file-text c-string LoadFileText ( c-string fileName )                            ! Load text data from file (read), returns a '\0' terminated string
 FUNCTION-ALIAS: unload-file-text void UnloadFileText ( c-string text )                                ! Unload file text data allocated by LoadFileText()
-FUNCTION-ALIAS: save-file-text bool SaveFileText ( c-string fileName, c-string text )                 ! Save text data to file (write), string must be '
+FUNCTION-ALIAS: save-file-text bool SaveFileText ( c-string fileName, c-string text )                 ! Save text data to file (write), string must be '\0 terminated, returns true on success
 FUNCTION-ALIAS: file-exists bool FileExists ( c-string fileName )                                     ! Check if file exists
 FUNCTION-ALIAS: directory-exists bool DirectoryExists ( c-string dirPath )                            ! Check if a directory path exists
 FUNCTION-ALIAS: is-file-extension bool IsFileExtension ( c-string fileName, c-string ext )            ! Check file extension (including point: .png, .wav)