fix warnings

tests/errorcheck/workers_cpuid.c

@@ -92,7 +92,7 @@ static char *array_to_str(long *array, int n)
 
 static int test_combination(long *combination, unsigned n)
 {
-	int type, ret, device_workers;
+	int ret, device_workers;
 	char *str;
 
 	copy_cpuid_array(workers_cpuid, combination, n);

tools/dev/cppcheck/suppressions.txt

@@ -41,8 +41,8 @@ redundantAssignment:tests/main/driver_api/init_run_deinit.c
 redundantAssignment:tests/main/driver_api/run_driver.c
 
 uselessAssignmentPtrArg:mpi/src/starpu_mpi.c:171
-unreadVariable:mpi/src/starpu_mpi.c:953
-unusedVariable:mpi/src/starpu_mpi.c:954
+unreadVariable:mpi/src/starpu_mpi.c:952
+unusedVariable:mpi/src/starpu_mpi.c:953
 redundantAssignment:src/core/workers.c
 
 invalidPointerCast:src/core/perfmodel/perfmodel_nan.c:74
@@ -55,7 +55,7 @@ unusedStructMember:src/core/perfmodel/perfmodel_bus.c:65
 unusedStructMember:src/core/perfmodel/perfmodel_bus.c:66
 unusedStructMember:src/core/simgrid.c:225
 unusedStructMember:src/core/simgrid.c:226
-wrongPrintfScanfArgNum:src/core/simgrid.c:946
+wrongPrintfScanfArgNum:src/core/simgrid.c:962
 duplicateExpression:src/util/starpu_task_insert.c:52
 
 // TODO: this could be an error?