fixing sr_from_macro global symbol conflict
@@ -97,7 +97,7 @@ extern "C" {
/**
* @brief Macro for entering into a critical section.
*/
-os_sr_t sr_from_macro;
+static os_sr_t sr_from_macro __attribute__((unused));
#define NRFX_CRITICAL_SECTION_ENTER() OS_ENTER_CRITICAL(sr_from_macro);
