Fix typos in error messages

Reported by Jakub Wilk, thanks!

poppler/JPEG2000Stream.cc

@@ -165,13 +165,13 @@ void JPXStream::init2(unsigned char *buf, int bufLen, OPJ_CODEC_FORMAT format)
 
 error:
   if (format == CODEC_JP2) {
-    error(errSyntaxWarning, -1, "Did no succeed opening JPX Stream as JP2, trying as J2K.");
+    error(errSyntaxWarning, -1, "Did not succeed opening JPX Stream as JP2, trying as J2K.");
     init2(buf, bufLen, CODEC_J2K);
   } else if (format == CODEC_J2K) {
-    error(errSyntaxWarning, -1, "Did no succeed opening JPX Stream as J2K, trying as JPT.");
+    error(errSyntaxWarning, -1, "Did not succeed opening JPX Stream as J2K, trying as JPT.");
     init2(buf, bufLen, CODEC_JPT);
   } else {
-    error(errSyntaxError, -1, "Did no succeed opening JPX Stream.");
+    error(errSyntaxError, -1, "Did not succeed opening JPX Stream.");
   }
 }