Update cl-environment-variables.md

Line 65, fixed spelling of "setting".

Author: MJGarvey

docs/build/reference/cl-environment-variables.md

@@ -62,7 +62,7 @@ SET _CL_=[ [option] ... [file] ...] [/link link-opt ...]
  For related information, see [Set Environment Variables](../../build/setting-the-path-and-environment-variables-for-command-line-builds.md).  
 
 ## Examples  
- The following is an example of settting the CL environment variable:  
+ The following is an example of setting the CL environment variable:  
 
 ```  
 SET CL=/Zp2 /Ox /I\INCLUDE\MYINCLS \LIB\BINMODE.OBJ  
@@ -90,4 +90,4 @@ CL FILE1.C FILE2.C FILE3.OBJ
 
 ## See Also  
  [Setting Compiler Options](../../build/reference/setting-compiler-options.md)   
- [Compiler Options](../../build/reference/compiler-options.md)
+ [Compiler Options](../../build/reference/compiler-options.md)