crate type swap on rs integration testing

We need to be able to do this:
rust-lang/rust#20267

Author: tantaman

.github/workflows/rs-tests.yml

@@ -37,7 +37,7 @@ jobs:
       - name: Integration Tests
         run: |
           cd core/rs/integration-check
-          cargo test
+          ./test.sh
 
       - name: Test Core
         run: |

.github/workflows/rs-valgrind.yml

@@ -35,7 +35,7 @@ jobs:
       - name: Integration Tests
         run: |
           cd core/rs/integration-check
-          cargo valgrind test
+          ./test-valgrind.sh
 
       - name: Test Core
         run: |

core/rs/integration-check/test-valgrind.sh

@@ -0,0 +1,3 @@
+sed -i .bk 's/crate-type = \["staticlib"\]/crate-type = \["rlib"\]/' ../bundle/Cargo.toml
+cargo valgrind test
+mv ../bundle/Cargo.toml.bk ../bundle/Cargo.toml

core/rs/integration-check/test.sh

@@ -0,0 +1,3 @@
+sed -i .bk 's/crate-type = \["staticlib"\]/crate-type = \["rlib"\]/' ../bundle/Cargo.toml
+cargo test
+mv ../bundle/Cargo.toml.bk ../bundle/Cargo.toml

core/src/util.h

@@ -2,6 +2,7 @@
 #define CRSQLITE_UTIL
 
 #include <ctype.h>
+#include <stddef.h>
 
 #include "crsqlite.h"