preproc: Align members in structures

For easier reading

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>

preproc.c

@@ -212,7 +212,8 @@ struct ExpDef {
     ExpDef              *next;          /* next in hash table */
     enum pp_exp_type    type;           /* expansion type */
     char                *name;          /* definition name */
-    int nparam_min, nparam_max;
+    int                 nparam_min;
+    int                 nparam_max;
     bool                casesense;
     bool                plus;           /* is the last parameter greedy? */
     bool                nolist;         /* is this expansion listing-inhibited? */
@@ -274,7 +275,8 @@ struct Include {
     Cond        *conds;
     ExpInv      *expansion;
     char        *fname;
-    int lineno, lineinc;
+    int         lineno;
+    int         lineinc;
     int         mmac_depth;
 };