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-rw-r--r--src/PJ_collg.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/PJ_collg.c b/src/PJ_collg.c
index ca389a63..871dfc97 100644
--- a/src/PJ_collg.c
+++ b/src/PJ_collg.c
@@ -5,6 +5,7 @@ PROJ_HEAD(collg, "Collignon") "\n\tPCyl, Sph.";
#define FYC 1.77245385090551602729
#define ONEEPS 1.0000001
FORWARD(s_forward); /* spheroid */
+ (void) P;
if ((xy.y = 1. - sin(lp.phi)) <= 0.)
xy.y = 0.;
else