Add hijacker idle sequence

Author: Smittytron

mods/ra/rules/infantry.yaml

@@ -512,7 +512,7 @@ THF:
 	Voiced:
 		VoiceSet: ThiefVoice
 	WithInfantryBody:
-		-IdleSequences:
+		IdleSequences: idle
 		StandSequences: stand
 	Buildable:
 		Description: Steals enemy credits.\n  Unarmed
@@ -542,7 +542,7 @@ HIJACKER:
 		VoiceSet: ThiefVoice
 	-TakeCover:
 	WithInfantryBody:
-		-IdleSequences:
+		IdleSequences: idle
 		StandSequences: stand
 	Crushable:
 		WarnProbability: 95

mods/ra/sequences/infantry.yaml

@@ -621,6 +621,10 @@ thf:
 		Length: 6
 		Facings: 8
 		Tick: 100
+	idle:
+		Start: 120
+		Length: 19
+		Tick: 120
 	die1:
 		Start: 139
 		Length: 8
@@ -669,6 +673,10 @@ hijacker:
 		Length: 6
 		Facings: 8
 		Tick: 100
+	idle: thf
+		Start: 120
+		Length: 19
+		Tick: 120
 	die1: thf
 		Start: 139
 		Length: 8