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-rw-r--r--src/4D_api.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/4D_api.cpp b/src/4D_api.cpp
index 3a9582e6..ffef8d81 100644
--- a/src/4D_api.cpp
+++ b/src/4D_api.cpp
@@ -946,7 +946,7 @@ static PJ* add_coord_op_to_list(PJ* op,
}
/*****************************************************************************/
-static PJ* create_operation_to_base_geog_crs(PJ_CONTEXT* ctx, PJ* crs) {
+static PJ* create_operation_to_base_geog_crs(PJ_CONTEXT* ctx, const PJ* crs) {
/*****************************************************************************/
// Create a geographic 2D long-lat degrees CRS that is related to the
// CRS
@@ -1052,7 +1052,7 @@ PJ *proj_create_crs_to_crs (PJ_CONTEXT *ctx, const char *source_crs, const char
}
/*****************************************************************************/
-PJ *proj_create_crs_to_crs_from_pj (PJ_CONTEXT *ctx, PJ *source_crs, PJ *target_crs, PJ_AREA *area, const char* const *) {
+PJ *proj_create_crs_to_crs_from_pj (PJ_CONTEXT *ctx, const PJ *source_crs, const PJ *target_crs, PJ_AREA *area, const char* const *) {
/******************************************************************************
Create a transformation pipeline between two known coordinate reference
systems.