Remove some compiler warnings

elab_scope.cc

@@ -249,7 +249,7 @@ static void elaborate_scope_enumeration(Design*des, NetScope*scope,
 	      // The values are explicitly sized to the width of the
 	      // base type of the enumeration.
 	    verinum tmp_val (0);
-	    if (cur_value.len() < use_enum->packed_width()) {
+	    if (cur_value.len() < (unsigned long)use_enum->packed_width()) {
 		    // Pad the current value if it is narrower than the final
 		    // width of the enum.
 		  tmp_val = pad_to_width (cur_value, use_enum->packed_width());

elaborate.cc

@@ -2653,6 +2653,12 @@ NetProc* PBlock::elaborate(Design*des, NetScope*scope) const
 	  case PBlock::BL_JOIN_ANY:
 	    type = NetBlock::PARA_JOIN_ANY;
 	    break;
+	    // Added to remove a "type" uninitialized compiler warning.
+	    // This should never be reached since all the PBlock enumeration
+	    // cases are handled above.
+	  default:
+	    type = NetBlock::SEQU;
+	    assert(0);
       }
 
       NetScope*nscope = 0;