dlt-test-init-free: fix build failure with strict compiler flags, due…

… to uint being undefined.

This is actually an "int" type, looking at the test implementation

Signed-off-by: Gianfranco Costamagna <costamagnagianfranco@yahoo.it>
Signed-off-by: Gianfranco Costamagna <locutusofborg@debian.org>

src/tests/dlt-test-init-free.c

@@ -32,7 +32,7 @@
 
 void exec(const char *cmd, char *buffer, size_t length);
 void printMemoryUsage();
-char *occupyMemory(uint size);
+char *occupyMemory(int size);
 void do_example_test();
 void do_dlt_test();
 
@@ -131,7 +131,7 @@ void printMemoryUsage()
     printf("%s", result);
 }
 
-char *occupyMemory(uint size)
+char *occupyMemory(int size)
 {
     char *buf = (char *)malloc(size * sizeof(char));