Remove bashisms from schema tests.

Introduced in commit 39a7be47.

* tests/*schematest: replace 'source' with '.'
* tests/schematestutils.sh: remove 'function' keyword and add '()'

tests/capabilityschematest

 #!/bin/sh
 
-source ./schematestutils.sh
+. ./schematestutils.sh
 
 DIRS="capabilityschemadata xencapsdata"
 SCHEMA="capability.rng"

tests/domainschematest

 #!/bin/sh
 
-source ./schematestutils.sh
+. ./schematestutils.sh
 
 DIRS="domainschemadata qemuxml2argvdata sexpr2xmldata xmconfigdata xml2sexprdata"
 SCHEMA="domain.rng"

tests/interfaceschematest

 #!/bin/sh
 
-source ./schematestutils.sh
+. ./schematestutils.sh
 
 DIRS="interfaceschemadata"
 SCHEMA="interface.rng"

tests/networkschematest

 #!/bin/sh
 
-source ./schematestutils.sh
+. ./schematestutils.sh
 
 DIRS="../src/network networkxml2xmlin networkxml2xmlout"
 SCHEMA="network.rng"

tests/nodedevschematest

 #!/bin/sh
 
-source ./schematestutils.sh
+. ./schematestutils.sh
 
 DIRS="nodedevschemadata"
 SCHEMA="nodedev.rng"

tests/schematestutils.sh

@@ -3,7 +3,7 @@
 test -z "$srcdir" && srcdir=`pwd`
 test -z "$abs_srcdir" && abs_srcdir=`pwd`
 
-function check_schema {
+check_schema () {
 
 DIRS=$1
 SCHEMA="$srcdir/../docs/schemas/$2"

tests/storagepoolschematest

 #!/bin/sh
 
-source ./schematestutils.sh
+. ./schematestutils.sh
 
 DIRS="storagepoolxml2xmlin storagepoolxml2xmlout"
 SCHEMA="storagepool.rng"

tests/storagevolschematest

 #!/bin/sh
 
-source ./schematestutils.sh
+. ./schematestutils.sh
 
 DIRS="storagevolxml2xmlin storagevolxml2xmlout"
 SCHEMA="storagevol.rng"