minor style changes

lib/wrappers/pcre.nim

@@ -263,6 +263,8 @@ type
   JitStack16* = object
   JitStack32* = object
 
+when defined(nimHasStyleChecks):
+  {.push styleChecks: off.}
 
 ## The structure for passing additional data to pcre_exec(). This is defined in
 ## such as way as to be extensible. Always add new fields at the end, in order
@@ -302,6 +304,8 @@ type
     mark*            : pointer    ## Pointer to current mark or NULL
     # ------------------------------------------------------------------
 
+when defined(nimHasStyleChecks):
+  {.pop.}
 
 ## User defined callback which provides a stack just before the match starts.
 type