puzzles: fix building

- disables help on c200v2
- renames conflicting function

Change-Id: I0c4ff1bb40e7e3cafd0170090f22b80bf0656741

1 files changed, 2 insertions, 2 deletions

diff --git a/apps/plugins/puzzles/src/misc.c b/apps/plugins/puzzles/src/misc.c
index c721016563..9904aee75e 100644
--- a/apps/plugins/puzzles/src/misc.c
+++ b/apps/plugins/puzzles/src/misc.c
@@ -201,7 +201,7 @@ void game_mkhighlight(frontend *fe, float *ret,
     game_mkhighlight_specific(fe, ret, background, highlight, lowlight);
 }
 
-static void memswap(void *av, void *bv, int size)
+static void swap_regions(void *av, void *bv, int size)
 {
     char tmpbuf[512];
     char *a = av, *b = bv;
@@ -225,7 +225,7 @@ void shuffle(void *array, int nelts, int eltsize, random_state *rs)
     for (i = nelts; i-- > 1 ;) {
         int j = random_upto(rs, i+1);
         if (j != i)
-            memswap(carray + eltsize * i, carray + eltsize * j, eltsize);
+            swap_regions(carray + eltsize * i, carray + eltsize * j, eltsize);
     }
 }