figures: correct proceed phase from houses state

Author: dalerank

src/figuretype/figure_governor.cpp

@@ -60,7 +60,7 @@ void figure_governor::figure_action() {
 sound_key figure_governor::phrase_key() const {
     int nobles_in_city = 0;
     buildings_valid_do([&] (building &b) {
-        if (!b.house_size || !b.house_population || b.subtype.house_level < HOUSE_COMMON_MANOR) {
+        if (!b.house_size || b.house_population <= 0 || b.subtype.house_level < HOUSE_COMMON_MANOR) {
             return;
         }
         nobles_in_city += b.house_population;

src/figuretype/figure_juggler.cpp

@@ -33,7 +33,7 @@ sound_key figure_juggler::phrase_key() const {
 
     int houses_in_disease = 0;
     buildings_valid_do([&] (building &b) {
-        if (!b.house_size || !b.house_population) {
+        if (!b.house_size || b.house_population <= 0) {
             return;
         }
         houses_in_disease = (b.disease_days > 0) ? 1 : 0;

src/figuretype/figure_labor_seeker.cpp

@@ -62,7 +62,7 @@ sound_key figure_labor_seeker::phrase_key() const {
 
     int houses_in_disease = 0;
     buildings_valid_do([&] (building &b) {
-        if (!b.house_size || !b.house_population) {
+        if (!b.house_size || b.house_population <= 0) {
             return;
         }
         houses_in_disease = (b.disease_days > 0) ? 1 : 0;

src/figuretype/figure_magistrate.cpp

@@ -41,7 +41,7 @@ void figure_magistrate::figure_before_action() {
 sound_key figure_magistrate::phrase_key() const {
     int houses_in_disease = 0;
     buildings_valid_do([&] (building &b) {
-        if (!b.house_size || !b.house_population) {
+        if (!b.house_size || b.house_population <= 0) {
             return;
         }
         houses_in_disease = (b.disease_days > 0) ? 1 : 0;

src/figuretype/figure_priest.cpp

@@ -76,7 +76,7 @@ sound_key figure_priest::phrase_key() const {
 
     int houses_in_disease = 0;
     buildings_valid_do([&] (building &b) {
-        if (!b.house_size || !b.house_population) {
+        if (!b.house_size || b.house_population <= 0) {
             return;
         }
         houses_in_disease = (b.disease_days > 0) ? 1 : 0;

src/figuretype/figure_senet_player.cpp

@@ -29,7 +29,7 @@ sound_key figure_senet_player::phrase_key() const {
 
     int houses_in_disease = 0;
     buildings_valid_do([&] (building &b) {
-        if (!b.house_size || !b.house_population) {
+        if (!b.house_size || b.house_population <= 0) {
             return;
         }
         houses_in_disease = (b.disease_days > 0) ? 1 : 0;