Added a valgrind suppression file to ignore check errors.

CTestConfig.cmake

@@ -1,6 +1,6 @@
 set(UPDATE_TYPE "true")
 
-#set(MEMORYCHECK_SUPPRESSIONS_FILE ${CMAKE_SOURCE_DIR}/tests/valgrind.supp)
+set(MEMORYCHECK_SUPPRESSIONS_FILE ${CMAKE_SOURCE_DIR}/tests/valgrind.supp)
 
 set(CTEST_PROJECT_NAME "libssh")
 set(CTEST_NIGHTLY_START_TIME "04:00:00 CET")

tests/valgrind.supp

@@ -0,0 +1,24 @@
+### CHECK
+{
+   check emalloc
+   Memcheck:Leak
+   fun:malloc
+   fun:emalloc
+}
+
+{
+   check setup_pipe
+   Memcheck:Leak
+   fun:malloc
+   fun:fdopen@@GLIBC_2.2.5
+   fun:tmpfile@@GLIBC_2.2.5
+   fun:setup_pipe
+}
+
+{
+   check erealloc
+   Memcheck:Leak
+   fun:realloc
+   fun:erealloc
+}
+