[gardening] Add a missing const to a const method.
[gardening] Add a missing const to a const method.

alblue/swift,rudkx/swift,sschiau/swift,ahoppen/swift,gregomni/swift,airspeedswift/swift,shajrawi/swift,apple/swift,sschiau/swift,jmgc/swift,ahoppen/swift,alblue/swift,danielmartin/swift,shajrawi/swift,amraboelela/swift,atrick/swift,parkera/swift,shajrawi/swift,danielmartin/swift,xedin/swift,parkera/swift,parkera/swift,practicalswift/swift,allevato/swift,JGiola/swift,CodaFi/swift,apple/swift,shajrawi/swift,karwa/swift,benlangmuir/swift,sschiau/swift,gregomni/swift,jmgc/swift,natecook1000/swift,austinzheng/swift,glessard/swift,lorentey/swift,gribozavr/swift,aschwaighofer/swift,harlanhaskins/swift,CodaFi/swift,JGiola/swift,roambotics/swift,karwa/swift,lorentey/swift,JGiola/swift,harlanhaskins/swift,aschwaighofer/swift,ahoppen/swift,alblue/swift,xwu/swift,allevato/swift,tkremenek/swift,xedin/swift,glessard/swift,xedin/swift,nathawes/swift,allevato/swift,austinzheng/swift,gregomni/swift,karwa/swift,shajrawi/swift,stephentyrone/swift,jopamer/swift,benlangmuir/swift,sschiau/swift,gribozavr/swift,hooman/swift,allevato/swift,brentdax/swift,shahmishal/swift,jckarter/swift,jckarter/swift,glessard/swift,airspeedswift/swift,parkera/swift,karwa/swift,CodaFi/swift,danielmartin/swift,aschwaighofer/swift,nathawes/swift,lorentey/swift,shahmishal/swift,practicalswift/swift,devincoughlin/swift,gribozavr/swift,benlangmuir/swift,apple/swift,lorentey/swift,austinzheng/swift,brentdax/swift,shajrawi/swift,gribozavr/swift,airspeedswift/swift,jopamer/swift,shahmishal/swift,xwu/swift,natecook1000/swift,danielmartin/swift,ahoppen/swift,tkremenek/swift,roambotics/swift,karwa/swift,harlanhaskins/swift,ahoppen/swift,sschiau/swift,xedin/swift,jopamer/swift,stephentyrone/swift,practicalswift/swift,allevato/swift,benlangmuir/swift,xwu/swift,gribozavr/swift,airspeedswift/swift,hooman/swift,hooman/swift,harlanhaskins/swift,nathawes/swift,shajrawi/swift,devincoughlin/swift,lorentey/swift,atrick/swift,jopamer/swift,sschiau/swift,nathawes/swift,amraboelela/swift,glessard/swift,aschwaighofer/swift,atrick/swift,gribozavr/swift,apple/swift,austinzheng/swift,rudkx/swift,jckarter/swift,tkremenek/swift,natecook1000/swift,gregomni/swift,nathawes/swift,parkera/swift,amraboelela/swift,CodaFi/swift,gregomni/swift,austinzheng/swift,alblue/swift,karwa/swift,natecook1000/swift,shahmishal/swift,glessard/swift,aschwaighofer/swift,brentdax/swift,shahmishal/swift,ahoppen/swift,apple/swift,devincoughlin/swift,airspeedswift/swift,practicalswift/swift,amraboelela/swift,xwu/swift,amraboelela/swift,benlangmuir/swift,amraboelela/swift,danielmartin/swift,JGiola/swift,CodaFi/swift,lorentey/swift,alblue/swift,jmgc/swift,parkera/swift,xwu/swift,jopamer/swift,nathawes/swift,devincoughlin/swift,devincoughlin/swift,hooman/swift,practicalswift/swift,shahmishal/swift,hooman/swift,stephentyrone/swift,stephentyrone/swift,devincoughlin/swift,benlangmuir/swift,gregomni/swift,roambotics/swift,jckarter/swift,allevato/swift,apple/swift,jopamer/swift,natecook1000/swift,lorentey/swift,xedin/swift,allevato/swift,austinzheng/swift,tkremenek/swift,CodaFi/swift,brentdax/swift,shahmishal/swift,karwa/swift,karwa/swift,practicalswift/swift,tkremenek/swift,parkera/swift,harlanhaskins/swift,airspeedswift/swift,jmgc/swift,atrick/swift,xwu/swift,aschwaighofer/swift,stephentyrone/swift,jmgc/swift,shajrawi/swift,sschiau/swift,practicalswift/swift,rudkx/swift,practicalswift/swift,nathawes/swift,atrick/swift,xedin/swift,rudkx/swift,devincoughlin/swift,brentdax/swift,roambotics/swift,roambotics/swift,jckarter/swift,xedin/swift,harlanhaskins/swift,jckarter/swift,jmgc/swift,parkera/swift,alblue/swift,tkremenek/swift,brentdax/swift,natecook1000/swift,rudkx/swift,JGiola/swift,gribozavr/swift,devincoughlin/swift,tkremenek/swift,stephentyrone/swift,gribozavr/swift,aschwaighofer/swift,sschiau/swift,CodaFi/swift,jmgc/swift,airspeedswift/swift,jopamer/swift,austinzheng/swift,JGiola/swift,stephentyrone/swift,roambotics/swift,glessard/swift,jckarter/swift,harlanhaskins/swift,xedin/swift,danielmartin/swift,atrick/swift,amraboelela/swift,rudkx/swift,alblue/swift,natecook1000/swift,hooman/swift,danielmartin/swift,hooman/swift,brentdax/swift,xwu/swift,shahmishal/swift,lorentey/swift