Scripts/Spells: Curing the Sick / Apply Salve doesn't remove "Sickly Critter Aura"

[lyn1337]

Description / Current behaviour:
The spell "Apply Salve" (spell id 19512) involved in the quest "Curing the Sick" (entry: 6124 and 6129) doesn't remove the "Sickly Critter Aura" (id 19502).

Expected behaviour:
The aura should be removed.

Branch(es): 3.3.5

TC hash/commit: 3d31e2a

TDB version: TDB 335.61

[ghost]

ID - 19502 Sickly Critter Aura
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Category = 0, SpellIconID = 143, activeIconID = 0, SpellVisual = (5339,0)
Family SPELLFAMILY_GENERIC, flag [0] 0x00000000 [1] 0x00000000 [2] 0x00000000

SpellSchoolMask = 1 (SPELL_SCHOOL_MASK_NORMAL)
DamageClass = 0 (SPELL_DAMAGE_CLASS_NONE)
PreventionType = 0 (SPELL_PREVENTION_TYPE_NONE)
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Attributes: 0x00000180 (SPELL_ATTR0_HIDDEN_CLIENTSIDE, SPELL_ATTR0_HIDE_IN_COMBAT_LOG)
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Spell Level = 0, base 0, max 0, maxTarget 0

Category = 0
DispelType = 0 (DISPEL_NONE)
Mechanic = 0 (MECHANIC_NONE)
SpellRange: (Id 1) "Self Only":
    MinRange = 0, MinRangeFriendly = 0
    MaxRange = 0, MaxRangeFriendly = 0

CastingTime (Id 1) = 0,00
Duration: ID (21)  -1, 0, -1
Interrupt Flags: 0x00000000, AuraIF 0x00000000, ChannelIF 0x00000000
Chance = 101, charges - 0
=================================================
Effect 0: Id 6 (SPELL_EFFECT_APPLY_AURA)
BasePoints = 1
Targets (1, 0) (TARGET_UNIT_CASTER, NO_TARGET)
Aura Id 4 (SPELL_AURA_DUMMY), value = 1, misc = 0 (0), miscB = 0, periodic = 0

Effect 1:  NO EFFECT

Effect 2:  NO EFFECT

ID - 19512 Apply Salve
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Description: Cure a sickly animal afflicted by the taint of poisoning.
Category = 0, SpellIconID = 1, activeIconID = 0, SpellVisual = (5308,0)
Family SPELLFAMILY_GENERIC, flag [0] 0x00000000 [1] 0x00000000 [2] 0x00000000

SpellSchoolMask = 1 (SPELL_SCHOOL_MASK_NORMAL)
DamageClass = 0 (SPELL_DAMAGE_CLASS_NONE)
PreventionType = 0 (SPELL_PREVENTION_TYPE_NONE)
=================================================
Attributes: 0x00000100 (SPELL_ATTR0_HIDE_IN_COMBAT_LOG)
=================================================
Spell Level = 0, base 0, max 0, maxTarget 0

Category = 0
DispelType = 0 (DISPEL_NONE)
Mechanic = 0 (MECHANIC_NONE)
SpellRange: (Id 12) "Interact Range":
    MinRange = 0, MinRangeFriendly = 0
    MaxRange = 5, MaxRangeFriendly = 5

CastingTime (Id 50) = 1,30

Interrupt Flags: 0x0000000F, AuraIF 0x00000000, ChannelIF 0x00000000
Chance = 101, charges - 0
=================================================
Effect 0: Id 3 (SPELL_EFFECT_DUMMY)
BasePoints = 1
Targets (25, 0) (TARGET_UNIT_TARGET_ANY, NO_TARGET)

Effect 1:  NO EFFECT

Effect 2:  NO EFFECT

=================================================
Items using this spell:
   15826: Curative Animal Salve