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-rw-r--r--core/dive.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/core/dive.h b/core/dive.h
index d19ccca4d..350331d95 100644
--- a/core/dive.h
+++ b/core/dive.h
@@ -140,8 +140,7 @@ extern int gas_volume(cylinder_t *cyl, pressure_t p);
extern double gas_compressibility_factor(struct gasmix *gas, double bar);
extern double isothermal_pressure(struct gasmix *gas, double p1, int volume1, int volume2);
extern double gas_density(struct gasmix *gas, int pressure);
-
-
+extern int same_gasmix(struct gasmix *a, struct gasmix *b);
static inline int get_o2(const struct gasmix *mix)
{