Fix: add missing " to the include line.

Source/translation_dummy.cpp

@@ -4,7 +4,7 @@
  * Do not edit this file manually, it is automatically generated
  * and updated by the extract_translation_data.py script.
  */
-#include "utils/language.h
+#include "utils/language.h"
 
 const char *MT_NZOMBIE_NAME = P_("monster", "Zombie");
 const char *MT_BZOMBIE_NAME = P_("monster", "Ghoul");

tools/extract_translation_data.py

@@ -14,7 +14,7 @@ with open(translation_dummy_path, 'w') as temp_source:
     temp_source.write(f' * Do not edit this file manually, it is automatically generated\n')
     temp_source.write(f' * and updated by the extract_translation_data.py script.\n')
     temp_source.write(f' */\n')
-    temp_source.write(f'#include "utils/language.h\n')
+    temp_source.write(f'#include "utils/language.h"\n')
     temp_source.write(f'\n')
     with open(monstdat_path, 'r') as tsv:
         reader = csv.DictReader(tsv, delimiter='\t')