Fixed several UMR's discovered while using valgrind.

Cantera/src/transport/MixTransport.cpp

@@ -38,7 +38,16 @@ namespace Cantera {
     //////////////////// class MixTransport methods //////////////
 
 
-    MixTransport::MixTransport() {}
+    MixTransport::MixTransport() :
+	m_nsp(0),
+	m_tmin(-1.0),
+	m_tmax(100000.),
+	m_temp(-1.0),
+	m_logt(0.0)
+    {
+
+
+    }
 
     bool MixTransport::init(TransportParams& tr) {
 

Cantera/src/transport/MixTransport.h

@@ -96,7 +96,8 @@ namespace Cantera {
 
 
         doublereal pressure_ig() {
-            return m_thermo->molarDensity() * GasConstant * m_thermo->temperature();
+            return (m_thermo->molarDensity() * GasConstant *
+		    m_thermo->temperature());
         }
 
         // mixture attributes

Cantera/src/transport/MultiTransport.cpp

@@ -128,7 +128,10 @@ namespace Cantera {
 
 
     MultiTransport::MultiTransport(thermo_t* thermo) 
-        : Transport(thermo) {}
+        : Transport(thermo),
+	  m_temp(-1.0)
+    {
+    }
 
     bool MultiTransport::init(TransportParams& tr) {