hameg-hmo: Fix some compiler warnings.

diff --git a/src/hardware/hameg-hmo/protocol.c b/src/hardware/hameg-hmo/protocol.c
index bcf68ebb7ce1dda9316c7a17271c553cea2e96c8..bc81b810946d04d74ef2f556048499e5b247970b 100644 (file)
--- a/src/hardware/hameg-hmo/protocol.c
+++ b/src/hardware/hameg-hmo/protocol.c
@@ -18,6 +18,8 @@
  */
 
 #include <config.h>
+#include <math.h>
+#include <stdlib.h>
 #include "scpi.h"
 #include "protocol.h"
 
@@ -345,7 +347,7 @@ static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi,
  * @return SR_ERR on any parsing error, SR_OK otherwise.
  */
 static int array_float_get(gchar *value, const uint64_t array[][2],
-               int array_len, int *result)
+               int array_len, unsigned int *result)
 {
        int i;
        uint64_t f;