Actually adding the implementation of do_defaults for eef27ac3

Source commit: 0b16e1e0dd34d6fcb273919d78b8f62bd596f873

source/Putty.cbproj

@@ -100,6 +100,9 @@
 		<CppCompile Include="putty\be_misc.c">
 			<BuildOrder>47</BuildOrder>
 		</CppCompile>
+		<CppCompile Include="putty\be_ssh.c">
+			<BuildOrder>84</BuildOrder>
+		</CppCompile>
 		<CppCompile Include="putty\callback.c">
 			<BuildOrder>5</BuildOrder>
 			<BuildOrder>25</BuildOrder>
@@ -160,6 +163,9 @@
 		<CppCompile Include="putty\proxy.c">
 			<BuildOrder>20</BuildOrder>
 		</CppCompile>
+		<CppCompile Include="putty\settings.c">
+			<BuildOrder>82</BuildOrder>
+		</CppCompile>
 		<CppCompile Include="putty\ssh.c">
 			<BuildOrder>23</BuildOrder>
 			<BuildOrder>19</BuildOrder>
@@ -320,6 +326,9 @@
 			<BuildOrder>83</BuildOrder>
 			<BuildOrder>3</BuildOrder>
 		</CppCompile>
+		<CppCompile Include="putty\WINDOWS\windefs.c">
+			<BuildOrder>83</BuildOrder>
+		</CppCompile>
 		<CppCompile Include="putty\windows\wingss.c">
 			<BuildOrder>86</BuildOrder>
 			<BuildOrder>2</BuildOrder>

source/putty/be_ssh.c

@@ -0,0 +1,16 @@
+/*
+ * Linking module for programs that are restricted to only using SSH
+ * (pscp and psftp). These do not support selection of backend, but
+ * must still have a backends[] array mentioning SSH because
+ * settings.c will want to consult it during session load.
+ */
+
+#include <stdio.h>
+#include "putty.h"
+
+const int be_default_protocol = PROT_SSH;
+
+const struct BackendVtable *const backends[] = {
+    &ssh_backend,
+    NULL
+};

source/putty/windows/windefs.c

@@ -0,0 +1,40 @@
+/*
+ * windefs.c: default settings that are specific to Windows.
+ */
+
+#include "putty.h"
+
+#include <commctrl.h>
+
+FontSpec *platform_default_fontspec(const char *name)
+{
+    if (!strcmp(name, "Font"))
+        return fontspec_new("Courier New", false, 10, ANSI_CHARSET);
+    else
+        return fontspec_new("", false, 0, 0);
+}
+
+Filename *platform_default_filename(const char *name)
+{
+    if (!strcmp(name, "LogFileName"))
+	return filename_from_str("putty.log");
+    else
+	return filename_from_str("");
+}
+
+char *platform_default_s(const char *name)
+{
+    if (!strcmp(name, "SerialLine"))
+	return dupstr("COM1");
+    return NULL;
+}
+
+bool platform_default_b(const char *name, bool def)
+{
+    return def;
+}
+
+int platform_default_i(const char *name, int def)
+{
+    return def;
+}