travis: fix coding style for remaining 2 files

.travis.yml

@@ -141,7 +141,7 @@ matrix:
       after_success:
         # run astyle for all files on the branch
         - git checkout -- .
-        - find -regex '.*\.\(h\|c\|hpp\|cpp\)' -type f | fgrep -v -f .astyleignore | xargs -n 100 -I {} bash -c "astyle -n --options=.astylerc \"{}\"" > astyle-branch.out;
+        - find -regex '.*\.\(h\|c\|hpp\|cpp\)$' -type f | fgrep -v -f .astyleignore | xargs -n 100 -I {} bash -c "astyle -n --options=.astylerc \"{}\"" > astyle-branch.out;
         # update status if we succeeded, compare with master if possible
         - |
           CURR=$(cat astyle-branch.out | grep Formatted | wc -l)

TESTS/network/wifi/wifi_connect_params_null.cpp

@@ -30,7 +30,7 @@ void wifi_connect_params_null(void)
     error = wifi->connect(NULL, NULL);
     wifi->disconnect();
     TEST_ASSERT(error == NSAPI_ERROR_PARAMETER);
-    error =  wifi->connect("", "");   
+    error =  wifi->connect("", "");
     wifi->disconnect();
     TEST_ASSERT(error == NSAPI_ERROR_PARAMETER);
 }

TESTS/network/wifi/wifi_connect_secure.cpp

@@ -32,7 +32,7 @@ void wifi_connect_secure(void)
     TEST_ASSERT_EQUAL_INT(NSAPI_ERROR_OK, wifi->set_credentials(MBED_CONF_APP_WIFI_SECURE_SSID, MBED_CONF_APP_WIFI_PASSWORD, get_security()));
 
     TEST_ASSERT_EQUAL_INT(NSAPI_ERROR_OK, wifi->connect());
-    
+
     TEST_ASSERT_EQUAL_INT(NSAPI_ERROR_OK, wifi->disconnect());
 }