dxf export: fix encoding for japanese

Author: jef-n

src/core/dxf/qgsdxfexport.cpp

@@ -316,7 +316,7 @@ const char *QgsDxfExport::mDxfEncodings[][2] =
   { "8859_7", "ISO-8859-7" },
   { "8859_8", "ISO-8859-8" },
   { "8859_9", "ISO-8859-9" },
-//  { "DOS437", "CP850" },
+//  { "DOS437", "" },
   { "DOS850", "CP850" },
 //  { "DOS852", "" },
 //  { "DOS855", "" },
@@ -343,7 +343,7 @@ const char *QgsDxfExport::mDxfEncodings[][2] =
   { "ANSI_1256", "CP1256" },
   { "ANSI_1257", "CP1257" },
   { "ANSI_874", "CP874" },
-//  { "ANSI_932", "" },
+  { "ANSI_932", "CP932" },
   { "ANSI_936", "CP936" },
   { "ANSI_949", "cp949" },
   { "ANSI_950", "CP950" },