Declare internal function rounding_upwards() to have local linkage only

diff --git a/src/stringfunc.cpp b/src/stringfunc.cpp
index 9ea0ff2..9ac7c8e 100644 (file)
--- a/src/stringfunc.cpp
+++ b/src/stringfunc.cpp
@@ -1201,7 +1201,7 @@ const string longUnitFormatSymbols[MAX_UNIT_FORMAT_SYMBOLS] = {
 };
 
 
-long double rounding_upwards(
+static long double rounding_upwards(
         const long double number,
         const int rounding_multiplier
 )