libasyncio: (tomj) add missing return values in AsyncIo::Utils::MilliTime

diff --git a/utils/asyncio_time_tools.cpp b/utils/asyncio_time_tools.cpp
index a89a24c..81e2315 100644 (file)
--- a/utils/asyncio_time_tools.cpp
+++ b/utils/asyncio_time_tools.cpp
@@ -167,6 +167,7 @@ MilliTime& MilliTime::operator -= (const MilliTime& lhs)
 {
     mt_sec  -= lhs.mt_sec;
     mt_msec -= lhs.mt_msec;
+    return *this;
 } // eo operator -=
 
 
@@ -179,6 +180,7 @@ MilliTime& MilliTime::operator += (const MilliTime& lhs)
 {
     mt_sec  += lhs.mt_sec;
     mt_msec += lhs.mt_msec;
+    return *this;
 }  // eo operator +=