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-rw-r--r--src/PJ_tmerc.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/PJ_tmerc.cpp b/src/PJ_tmerc.cpp
index 55f878c9..ac6319ff 100644
--- a/src/PJ_tmerc.cpp
+++ b/src/PJ_tmerc.cpp
@@ -9,11 +9,13 @@
PROJ_HEAD(tmerc, "Transverse Mercator") "\n\tCyl, Sph&Ell";
+namespace { // anonymous namespace
struct pj_opaque {
double esp;
double ml0;
double *en;
};
+} // anonymous namespace
#define EPS10 1.e-10
#define FC1 1.