Fix text box width/hight calculation (addition)

This occurrence was should have been included in commit 29d971e
but was overlooked by error.

Author: StefRe

api/baseapi.cpp

@@ -1704,8 +1704,8 @@ char* TessBaseAPI::GetTSVText(int page_number) {
     tsv_str.add_str_int("\t", word_num);
     tsv_str.add_str_int("\t", left);
     tsv_str.add_str_int("\t", top);
-    tsv_str.add_str_int("\t", right - left + 1);
-    tsv_str.add_str_int("\t", bottom - top + 1);
+    tsv_str.add_str_int("\t", right - left);
+    tsv_str.add_str_int("\t", bottom - top);
     tsv_str.add_str_int("\t", res_it->Confidence(RIL_WORD));
     tsv_str += "\t";