Merge pull request #104 from visitor83/gdb

indent format cortex-m3/cpuport.c, thank peter.uboot@gmail.com

libcpu/arm/cortex-m3/cpuport.c

@@ -117,7 +117,8 @@ void rt_hw_hard_fault_exception(struct exception_stack_frame* context)
         rt_err_t result;
 
         result = rt_exception_hook(context);
-		if (result == RT_EOK) return;
+        if (result == RT_EOK)
+            return;
     }
 
     rt_kprintf("psr: 0x%08x\n", context->psr);
@@ -135,7 +136,8 @@ void rt_hw_hard_fault_exception(struct exception_stack_frame* context)
     list_thread();
 #endif
 
-    while (1);
+    while (1)
+        ;
 }
 
 /**