separate function for acid potion damage pr#1195

Also includes a couple of trailing whitespace removals.

doc/fixes3-7-0.txt

@@ -2707,6 +2707,7 @@ remove a null sobj check from gold_detect that was situated after
 	adjust prototype in extern.h
 check for valid indexes of def_monsyms[] and def_oc_syms[] in
 	choose_classes_menu() (pr #1179 by argrath)
+split damage from acid potion into separate function (pr #1195 by argrath)
 
 
 Code Cleanup and Reorganization

src/trap.c

@@ -4450,7 +4450,7 @@ acid_damage(struct obj *obj)
 
 static void
 pot_acid_damage(
-    struct obj *obj,    
+    struct obj *obj,
     boolean in_invent,
     boolean described)
 {
@@ -4777,7 +4777,7 @@ rnd_nextto_goodpos(coordxy *x, coordxy *y, struct monst *mtmp)
 void
 back_on_ground(boolean rescued)
 {
-    const char *preposit = (Levitation || Flying) ? "over" : "on", 
+    const char *preposit = (Levitation || Flying) ? "over" : "on",
                *surf = surface(u.ux, u.uy), *you_are_back;
     char icebuf[QBUFSZ];