float.c: mark read_exponent() static

read_exponent() is not used outside float.c; mark static

1 files changed, 1 insertions, 1 deletions

diff --git a/float.c b/float.c
index 3aa6e5f5..f19454df 100644
--- a/float.c
+++ b/float.c
@@ -116,7 +116,7 @@ static int float_multiply(uint16_t * to, uint16_t * from)
  *  read an exponent; returns INT32_MAX on error
  * ---------------------------------------------------------------------------
  */
-int32_t read_exponent(const char *string, int32_t max)
+static int32_t read_exponent(const char *string, int32_t max)
 {
     int32_t i = 0;
     bool neg = false;