Fixed __Pyx_sst_abs with C++11

Some compilers appear to require you to explicitly `#include <cstdlib>` before providing `std::abs`.

Fixed __Pyx_sst_abs with C++11
Some compilers appear to require you to explicitly `#include <cstdlib>` before providing `std::abs`.
78800e0e · Michael Ensslin · cc954ad9 · 78800e0e
Commit 78800e0e authored Jul 12, 2015 by Michael Ensslin
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Cython/Utility/TypeConversion.c Cython/Utility/TypeConversion.c +1 -0

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--- a/Cython/Utility/TypeConversion.c
+++ b/Cython/Utility/TypeConversion.c
@@ -18,6 +18,7 @@
 // fast and unsafe abs(Py_ssize_t) that ignores the overflow for (-PY_SSIZE_T_MAX-1)
 #if defined (__cplusplus) && __cplusplus >= 201103L
+    #include <cstdlib>
    #define __Pyx_sst_abs(value) std::abs(value)
 #elif SIZEOF_INT >= SIZEOF_SIZE_T
    #define __Pyx_sst_abs(value) abs(value)