Added a few redirects for URLs still being used on the net

disks/pcx86/tools/microsoft/README.md

@@ -2,6 +2,8 @@
 layout: page
 title: Microsoft Languages and Tools
 permalink: /disks/pcx86/tools/microsoft/
+redirect_from:
+  - /disks/pc/tools/microsoft/
 ---
 
 Microsoft Languages

disks/pcx86/tools/microsoft/masm/3.00/README.md

@@ -2,6 +2,8 @@
 layout: page
 title: Microsoft Macro Assembler 3.00
 permalink: /disks/pcx86/tools/microsoft/masm/3.00/
+redirect_from:
+  - /disks/pc/tools/microsoft/masm/3.00/
 ---
 
 Microsoft Macro Assembler 3.00

disks/pcx86/tools/microsoft/masm/3.01/README.md

@@ -2,6 +2,8 @@
 layout: page
 title: Microsoft Macro Assembler 3.01
 permalink: /disks/pcx86/tools/microsoft/masm/3.01/
+redirect_from:
+  - /disks/pc/tools/microsoft/masm/3.01/
 ---
 
 Microsoft Macro Assembler 3.01

disks/pcx86/tools/microsoft/masm/4.00/README.md

@@ -2,6 +2,8 @@
 layout: page
 title: Microsoft Macro Assembler 4.00
 permalink: /disks/pcx86/tools/microsoft/masm/4.00/
+redirect_from:
+  - /disks/pc/tools/microsoft/masm/4.00/
 ---
 
 Microsoft Macro Assembler 4.00

disks/pcx86/tools/microsoft/masm/5.10/README.md

@@ -2,6 +2,8 @@
 layout: page
 title: Microsoft Macro Assembler 5.10
 permalink: /disks/pcx86/tools/microsoft/masm/5.10/
+redirect_from:
+  - /disks/pc/tools/microsoft/masm/5.10/
 ---
 
 Microsoft Macro Assembler 5.10

disks/pcx86/tools/microsoft/masm/6.00/README.md

@@ -2,6 +2,8 @@
 layout: page
 title: Microsoft Macro Assembler 6.00
 permalink: /disks/pcx86/tools/microsoft/masm/6.00/
+redirect_from:
+  - /disks/pc/tools/microsoft/masm/6.00/
 ---
 
 Microsoft Macro Assembler 6.00

disks/pcx86/tools/microsoft/masm/6.11/README.md

@@ -2,6 +2,8 @@
 layout: page
 title: Microsoft Macro Assembler 6.11
 permalink: /disks/pcx86/tools/microsoft/masm/6.11/
+redirect_from:
+  - /disks/pc/tools/microsoft/masm/6.11/
 ---
 
 Microsoft Macro Assembler 6.11