Fixed airship combo

It now gives the correct HP bonus.
Fixes #1237, thanks to @Asheraf.

db/re/item_combo_db.txt

@@ -381,7 +381,7 @@
 15088:18816:18818,{ bonus bMatk,BaseLevel/3; bonus2 bExpAddClass,Class_All,5; }
 15088:18817:18819,{ bonus bBaseAtk,BaseLevel/3; bonus2 bExpAddClass,Class_All,5; }
 15090:18820:20721:22033,{ bonus2 bSubEle,Ele_Neutral,15; bonus bMaxHPrate,25; bonus bMaxSPrate,25; bonus bMatkRate,10; bonus3 bAutoSpellWhenHit,"WL_DRAINLIFE",3,1; }
-15116:20743:22046,{ bonus bMaxSPrate,25; bonus bMaxSPrate,25; bonus bSpeedAddRate,10; }
+15116:20743:22046,{ bonus bMaxHPrate,25; bonus bMaxSPrate,25; bonus bSpeedAddRate,10; }
 15126:20788:22083,{ bonus bMaxHP,2000; bonus bNoCastCancel,1; bonus bFixedCastrate,-15-(getequiprefinerycnt(EQI_ARMOR)+getequiprefinerycnt(EQI_GARMENT)+getequiprefinerycnt(EQI_SHOES)); }
 15126:20788:22083:28380:28416,{ bonus bMaxHPrate,10; bonus bMaxSPrate,10; bonus2 bSkillAtk,"SU_CN_METEOR",100; }
 15126:20788:22083:28380:28419,{ bonus bMaxHPrate,20; bonus bMaxSPrate,3; bonus2 bSkillAtk,"SU_LUNATICCARROTBEAT",100; }