Description: Fix mylist inc/decrement operators to return what they should
 For some reasons g++-7 and earlier did not require explicit return statement
 in operator+= and operator-=, but g++-8 causes a segfault, luckily caught by
 the testsuite.
Author: Yann Dirson <dirson@debian.org>

---
Bug-Debian: https://bugs.debian.org/897731
Forwarded: https://savannah.gnu.org/bugs/index.php?54497
Last-Update: 2018-08-11

--- cssc-1.4.0.orig/src/mylist.h
+++ cssc-1.4.0/src/mylist.h
@@ -103,6 +103,7 @@ public:
       {
 	items_.push_back(*ci);
       }
+    return *this;
   }
 
   const mylist<TYPE>& operator-=(const mylist& other)
@@ -122,6 +123,7 @@ public:
 	  }
 	items_.swap(remaining);
       }
+    return *this;
   }
 
 
