Manual backport of the upstream fix at:
https://github.com/falcosecurity/libs/commit/1406858fa5223d980e66e2a5fb2c1b014c9db5c8

diff --git libs-e5c53d648f3c4694385bbe488e7d47eaa36c229a-orig/userspace/libsinsp/filter_value.h libs-e5c53d648f3c4694385bbe488e7d47eaa36c229a/userspace/libsinsp/filter_value.h
index 47f5367..6cc8b83 100644
--- libs-e5c53d648f3c4694385bbe488e7d47eaa36c229a-orig/userspace/libsinsp/filter_value.h
+++ libs-e5c53d648f3c4694385bbe488e7d47eaa36c229a/userspace/libsinsp/filter_value.h
@@ -17,6 +17,7 @@ limitations under the License.
 
 #pragma once
 
+#include <cstdint>
 #include <string.h>
 #include <utility>
 
diff --git libs-e5c53d648f3c4694385bbe488e7d47eaa36c229a-orig/userspace/libsinsp/sinsp.h libs-e5c53d648f3c4694385bbe488e7d47eaa36c229a/userspace/libsinsp/sinsp.h
index c15c13c..f9f9f45 100644
--- libs-e5c53d648f3c4694385bbe488e7d47eaa36c229a-orig/userspace/libsinsp/sinsp.h
+++ libs-e5c53d648f3c4694385bbe488e7d47eaa36c229a/userspace/libsinsp/sinsp.h
@@ -56,6 +56,7 @@ limitations under the License.
 
 #define __STDC_FORMAT_MACROS
 
+#include <cstdint>
 #include <string>
 #include <unordered_map>
 #include <map>