Fix documentation of getResults

getReturn should follow the same convention used by Xapian for
consistency. The second argument maxResults is the maximum number of
results to return starting from the first argument start.

include/zim/search.h

@@ -167,10 +167,10 @@ class Search
          *
          * @param start The begining of the range to get
          *              (offset of the first result).
-         * @param end   The end of the range to get
-         *              (offset of the result past the end of the range).
+         * @param maxResults The maximum number of results to return
+         *                   (offset of last result from the start of range).
          */
-        const SearchResultSet getResults(int start, int end) const;
+        const SearchResultSet getResults(int start, int maxResults) const;
 
         /** Get the number of estimated results for this search.
          *

src/search.cpp

@@ -357,10 +357,10 @@ int Search::getEstimatedMatches() const
     }
 }
 
-const SearchResultSet Search::getResults(int start, int end) const {
+const SearchResultSet Search::getResults(int start, int maxResults) const {
     try {
       auto enquire = getEnquire();
-      auto mset = enquire.get_mset(start, end);
+      auto mset = enquire.get_mset(start, maxResults);
       return SearchResultSet(mp_internalDb, std::move(mset));
     } catch(Xapian::QueryParserError& e) {
       return SearchResultSet(mp_internalDb);