Clean up constructors in the livestatus module

components/livestatus/avgaggregator.cpp

@@ -22,10 +22,8 @@
 using namespace icinga;
 
 AvgAggregator::AvgAggregator(const String& attr)
-    : m_Avg(0), m_AvgCount(0)
-{
-	m_AvgAttr = attr;
-}
+    : m_Avg(0), m_AvgCount(0), m_AvgAttr(attr)
+{ }
 
 void AvgAggregator::Apply(const Table::Ptr& table, const Value& row)
 {

components/livestatus/invavgaggregator.cpp

@@ -22,10 +22,8 @@
 using namespace icinga;
 
 InvAvgAggregator::InvAvgAggregator(const String& attr)
-    : m_InvAvg(0), m_InvAvgCount(0)
-{
-	m_InvAvgAttr = attr;
-}
+    : m_InvAvg(0), m_InvAvgCount(0), m_InvAvgAttr(attr)
+{ }
 
 void InvAvgAggregator::Apply(const Table::Ptr& table, const Value& row)
 {

components/livestatus/invsumaggregator.cpp

@@ -22,10 +22,8 @@
 using namespace icinga;
 
 InvSumAggregator::InvSumAggregator(const String& attr)
-    : m_InvSum(0)
-{
-	m_InvSumAttr = attr;
-}
+    : m_InvSum(0), m_InvSumAttr(attr)
+{ }
 
 void InvSumAggregator::Apply(const Table::Ptr& table, const Value& row)
 {

components/livestatus/maxaggregator.cpp

@@ -22,10 +22,8 @@
 using namespace icinga;
 
 MaxAggregator::MaxAggregator(const String& attr)
-    : m_Max(0)
-{
-	m_MaxAttr = attr;
-}
+    : m_Max(0), m_MaxAttr(attr)
+{ }
 
 void MaxAggregator::Apply(const Table::Ptr& table, const Value& row)
 {

components/livestatus/minaggregator.cpp

@@ -22,10 +22,8 @@
 using namespace icinga;
 
 MinAggregator::MinAggregator(const String& attr)
-    : m_Min(0)
-{
-	m_MinAttr = attr;
-}
+    : m_Min(0), m_MinAttr(attr)
+{ }
 
 void MinAggregator::Apply(const Table::Ptr& table, const Value& row)
 {

components/livestatus/stdaggregator.cpp

@@ -23,10 +23,8 @@
 using namespace icinga;
 
 StdAggregator::StdAggregator(const String& attr)
-    : m_StdSum(0), m_StdQSum(0), m_StdCount(0)
-{
-	m_StdAttr = attr;
-}
+    : m_StdSum(0), m_StdQSum(0), m_StdCount(0), m_StdAttr(attr)
+{ }
 
 void StdAggregator::Apply(const Table::Ptr& table, const Value& row)
 {

components/livestatus/sumaggregator.cpp

@@ -22,10 +22,8 @@
 using namespace icinga;
 
 SumAggregator::SumAggregator(const String& attr)
-    : m_Sum(0)
-{
-	m_SumAttr = attr;
-}
+    : m_Sum(0), m_SumAttr(attr)
+{ }
 
 void SumAggregator::Apply(const Table::Ptr& table, const Value& row)
 {