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-rw-r--r--src/PJ_mbt_fps.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/PJ_mbt_fps.c b/src/PJ_mbt_fps.c
index 57a96e72..3cd5e674 100644
--- a/src/PJ_mbt_fps.c
+++ b/src/PJ_mbt_fps.c
@@ -12,6 +12,7 @@ PROJ_HEAD(mbt_fps, "McBryde-Thomas Flat-Pole Sine (No. 2)") "\n\tCyl., Sph.";
FORWARD(s_forward); /* spheroid */
double k, V, t;
int i;
+ (void) P;
k = C3 * sin(lp.phi);
for (i = MAX_ITER; i ; --i) {