Fix: avoid set but unused variable warning in pxPortInitialiseStack (#1320)
diff --git a/portable/ThirdParty/GCC/Posix/port.c b/portable/ThirdParty/GCC/Posix/port.c
index 2342f60..a1b1ca8 100644
--- a/portable/ThirdParty/GCC/Posix/port.c
+++ b/portable/ThirdParty/GCC/Posix/port.c
@@ -229,6 +229,7 @@
/* Ensure that there is enough space to store Thread_t on the stack. */
ulStackSize = ( size_t ) ( pxTopOfStack + 1 - pxEndOfStack ) * sizeof( *pxTopOfStack );
configASSERT( ulStackSize > sizeof( Thread_t ) );
+ ( void ) ulStackSize; /* suppress set but not used warning */
thread->pxCode = pxCode;
thread->pvParams = pvParameters;