Another typo fix: "try treat them" -> "try treating them"

Author: yohannd1

indent/zig.vim

@@ -48,7 +48,7 @@ function! GetZigIndent(lnum)
     " for lines that look like
     "   },
     "   };
-    " try treat them the same as a }
+    " try treating them the same as a }
     if prevLine =~ '\v^\s*},$'
         if currentLine =~ '\v^\s*};$' || currentLine =~ '\v^\s*}$'
             return indent(prevLineNum) - 4