Fixing up assumption made in sbclang.targets around whether or not the app should target debug libs.  If an app is compiling for debug, but is not linking with the MultiThreadedDebugDll, we were pointing it to release libs rather than debug.  The fix is to look for 'debug=1' in the preprocessor definitions instead.
Fixing up assumption made in sbclang.targets around whether or not the app should target debug libs.  If an app is compiling for debug, but is not linking with the MultiThreadedDebugDll, we were pointing it to release libs rather than debug.  The fix is to look for 'debug=1' in the preprocessor definitions instead.

VSO 5292778 [GitHub Issue #228] LNK1181 errors when building sample files

pradipd/WinObjC,wanderwaltz/WinObjC,alexdrenea/WinObjC,nathpete-msft/WinObjC,MSFTFox/WinObjC,MSFTFox/WinObjC,bleupierre/WinObjC,yweijiang/WinObjC,MSFTFox/WinObjC,cloudmonkeypeng/WinObjC,vkvenkat/WinObjC,rajsesh-msft/WinObjC,wanderwaltz/WinObjC,pradipd/WinObjC,cloudmonkeypeng/WinObjC,bbowman/WinObjC,Microsoft/WinObjC,nathpete-msft/WinObjC,rajsesh-msft/WinObjC,bSr43/WinObjC,bSr43/WinObjC,ehren/WinObjC,ehren/WinObjC,pradipd/WinObjC,autodesk-forks/WinObjC,vkvenkat/WinObjC,afaruqui/WinObjC,vkvenkat/WinObjC,nathpete-msft/WinObjC,bbowman/WinObjC,autodesk-forks/WinObjC,Microsoft/WinObjC,bbowman/WinObjC,bbowman/WinObjC,s5msft/WinObjC,wanderwaltz/WinObjC,MSFTFox/WinObjC,alexdrenea/WinObjC,yweijiang/WinObjC,nathpete-msft/WinObjC,wanderwaltz/WinObjC,afaruqui/WinObjC,yweijiang/WinObjC,afaruqui/WinObjC,autodesk-forks/WinObjC,pradipd/WinObjC,nathpete-msft/WinObjC,bleupierre/WinObjC,s5msft/WinObjC,bleupierre/WinObjC,bleupierre/WinObjC,cloudmonkeypeng/WinObjC,alexdrenea/WinObjC,bSr43/WinObjC,s5msft/WinObjC,vkvenkat/WinObjC,ehren/WinObjC,bbowman/WinObjC,ehren/WinObjC,bSr43/WinObjC,yweijiang/WinObjC,Microsoft/WinObjC,afaruqui/WinObjC,rajsesh-msft/WinObjC,Microsoft/WinObjC,ehren/WinObjC,alexdrenea/WinObjC,rajsesh-msft/WinObjC,cloudmonkeypeng/WinObjC,pradipd/WinObjC,autodesk-forks/WinObjC,s5msft/WinObjC