Bug 1253943 - fix some -Wextra compile warnings in /mailnews. r=jcranmer

mailnews/addrbook/src/nsAbManager.cpp

@@ -73,18 +73,18 @@ const ExportAttributesTableStruct EXPORT_ATTRIBUTES_TABLE[] = {
   {kPriEmailProperty, 2104},
   {k2ndEmailProperty, 2105},
   {kScreenNameProperty, 2136},
-  {kPreferMailFormatProperty},
-  {kLastModifiedDateProperty},
+  {kPreferMailFormatProperty, 0},
+  {kLastModifiedDateProperty, 0},
   {kWorkPhoneProperty, 2106},
-  {kWorkPhoneTypeProperty},
+  {kWorkPhoneTypeProperty, 0},
   {kHomePhoneProperty, 2107},
-  {kHomePhoneTypeProperty},
+  {kHomePhoneTypeProperty, 0},
   {kFaxProperty, 2108},
-  {kFaxTypeProperty},
+  {kFaxTypeProperty, 0},
   {kPagerProperty, 2109},
-  {kPagerTypeProperty},
+  {kPagerTypeProperty, 0},
   {kCellularProperty, 2110},
-  {kCellularTypeProperty},
+  {kCellularTypeProperty, 0},
   {kHomeAddressProperty, 2111},
   {kHomeAddress2Property, 2112},
   {kHomeCityProperty, 2113},
@@ -110,11 +110,11 @@ const ExportAttributesTableStruct EXPORT_ATTRIBUTES_TABLE[] = {
   {kCustom3Property, 2133},
   {kCustom4Property, 2134},
   {kNotesProperty, 2135},
-  {kAnniversaryYearProperty},
-  {kAnniversaryMonthProperty},
-  {kAnniversaryDayProperty},
-  {kSpouseNameProperty},
-  {kFamilyNameProperty},
+  {kAnniversaryYearProperty, 0},
+  {kAnniversaryMonthProperty, 0},
+  {kAnniversaryDayProperty, 0},
+  {kSpouseNameProperty, 0},
+  {kFamilyNameProperty, 0},
 };
 
 //

mailnews/extensions/bayesian-spam-filter/src/nsBayesianFilter.cpp

@@ -137,7 +137,8 @@ static const PLDHashTableOps gTokenTableOps = {
     PLDHashTable::HashStringKey,
     PLDHashTable::MatchStringKey,
     PLDHashTable::MoveEntryStub,
-    PLDHashTable::ClearEntryStub
+    PLDHashTable::ClearEntryStub,
+    nullptr
 };
 
 TokenHash::TokenHash(uint32_t aEntrySize)