Avoid string overflow

Author: nyalldawson

src/providers/spatialite/qgsspatialiteconnection.cpp

@@ -613,7 +613,9 @@ bool QgsSpatiaLiteConnection::isRasterlite1Datasource( sqlite3 * handle, const c
   char table_raster[4192];
   char sql[4192];
 
-  strcpy( table_raster, table );
+  strncpy( table_raster, table, 4192 );
+  table_raster[4191] = '\0';
+
   len =  strlen( table_raster );
   if ( strlen( table_raster ) < 9 )
     return false;