Fixed more Clang warnings
Fixed more Clang warnings

thennequin/imgui,ggtucker/imgui,usagi/imguixx,gyakoo/imgui,tpoechtrager/imgui,nProtect/imgui,DXsmiley/FlexGUI,Extrawurst/imgui,xythobuz/imgui,dougbinks/imgui,ghassanpl/imgui,cmaughan/imgui,wasikuss/imgui,sakishum/imgui,nmlgc/imgui,ggtucker/imgui,redblobgames/imgui,neshume/imgui,andresv/imgui,Flix01/imgui,rmoorman/imgui,Extrawurst/imgui,shaggytwodope/imgui,usagi/imguixx,burningreggae/imgui,tom-seddon/imgui,cmaughan/imgui,bagobor/imgui,benoitjacquier/imgui,ocornut/imgui,twigletguy/imgui,wflohry/imgui-addons,bkaradzic/imgui,memononen/imgui,bagobor/imgui,cmaughan/imgui,benoitjacquier/imgui,burningreggae/imgui,mikesart/imgui,ggtucker/imgui,wangshijin/imgui,tpoechtrager/imgui,seanmiddleditch/imgui,elect86/imgui,wasikuss/imgui,emoon/imgui,xunmengfeng/imgui,bkaradzic/imgui,nProtect/imgui,luiseduardohdbackup/imgui,redblobgames/imgui,luiseduardohdbackup/imgui,ghassanpl/imgui,rxantos/imgui,rmoorman/imgui,Pagghiu/imgui,rxantos/imgui,GHF/imgui,zho7611/imgui,emoon/imgui,sakishum/imgui,wflohry/imgui-addons,GHF/imgui,seanmiddleditch/imgui,thevaber/imgui,aimotive/imgui-glfw,neshume/imgui,Flix01/imgui,gamedeff/imgui,xunmengfeng/imgui,DXsmiley/FlexGUI,aimotive/imgui-glfw,bkaradzic/imgui,gyakoo/imgui,Pagghiu/imgui,thevaber/imgui,wangshijin/imgui,Psybrus/imgui,mikesart/imgui,zho7611/imgui,ocornut/imgui,nmlgc/imgui,gamedeff/imgui,ocornut/imgui,twigletguy/imgui,elect86/imgui,kylawl/imgui,kylawl/imgui,tom-seddon/imgui,andresv/imgui,nProtect/imgui,Psybrus/imgui,Flix01/imgui,shaggytwodope/imgui,thennequin/imgui,cmaughan/imgui,xythobuz/imgui,dougbinks/imgui,memononen/imgui