add alloca() declaration

SVN revision: 41874

legacy/eet/src/lib/eet_cipher.c

@@ -2,6 +2,23 @@
 # include <config.h>
 #endif
 
+#ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+#elif defined __GNUC__
+# define alloca __builtin_alloca
+#elif defined _AIX
+# define alloca __alloca
+#elif defined _MSC_VER
+# include <malloc.h>
+# define alloca _alloca
+#else
+# include <stddef.h>
+# ifdef  __cplusplus
+extern "C"
+# endif
+void *alloca (size_t);
+#endif
+
 #include <stdio.h>
 #include <string.h>
 #include <sys/types.h>