fix(c): fix import on Windows

diff --git a/psycopg_c/psycopg_c/_psycopg/waiting.pyx b/psycopg_c/psycopg_c/_psycopg/waiting.pyx
index 5eccbd0c1a327e01984d69f823b43666a63c42a1..3b0c1259d160d9e8fa0fafa428e1322a7489adc7 100644 (file)
--- a/psycopg_c/psycopg_c/_psycopg/waiting.pyx
+++ b/psycopg_c/psycopg_c/_psycopg/waiting.pyx
@@ -6,7 +6,11 @@ C implementation of waiting functions
 
 cdef extern from *:
     """
+#ifdef MS_WINDOWS
+#include <winsock2.h>
+#else
 #include <sys/select.h>
+#endif
 
 #define SELECT_EV_READ 1
 #define SELECT_EV_WRITE 2