[PATCH] common: fix incorrect comparison

[Maks Mishin]

The variable n, which is of type size_t and cannot have negative values, 
is checked for a negative value in dlmalloc.c:2107.

Signed-off-by: Maks Mishin <maks.mishinFZ at gmail.com>
---
 common/dlmalloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/dlmalloc.c b/common/dlmalloc.c
index cc4d3a0a02..a4182a8dd6 100644
--- a/common/dlmalloc.c
+++ b/common/dlmalloc.c
@@ -2104,7 +2104,7 @@ Void_t* cALLOc_impl(n, elem_size) size_t n; size_t elem_size;
 #endif
   Void_t* mem = mALLOc_impl (sz);
 
-  if ((long)n < 0) return NULL;
+  if ((long)n <= 0) return NULL;
 
   if (mem == NULL)
     return NULL;
-- 
2.34.1