Fix numbering in Ch02 subheadings (#91)

Author: kar-rahul-aws

ch02.md

@@ -131,7 +131,7 @@ the FreeRTOS/Source directory, and may not build if the directory
 structure is changed.
 
 
-### 2.2.6 FreeRTOS Source Files Common to All Ports
+### 2.2.5 FreeRTOS Source Files Common to All Ports
 
 tasks.c and list.c implement the core FreeRTOS kernel functionality and
 are always required. They are located directly in the FreeRTOS/Source
@@ -199,7 +199,7 @@ compatibility with existing users' projects as well as FreeRTOS-aware
 development tools.
 
 
-### 2.2.7 FreeRTOS Source Files Specific to a Port
+### 2.2.6 FreeRTOS Source Files Specific to a Port
 
 The FreeRTOS/Source/portable directory contains source files specific to a FreeRTOS
 port. The portable directory is arranged as a hierarchy, first by
@@ -251,7 +251,7 @@ FreeRTOS
 ***Figure 2.3*** *Port specific source files within the FreeRTOS directory tree*
 * * *
 
-### 2.2.8 Include Paths
+### 2.2.7 Include Paths
 
 FreeRTOS requires the inclusion of three directories in the compiler's
 include path. These are:
@@ -264,7 +264,7 @@ include path. These are:
 3. The path to the correct FreeRTOSConfig.h header file.
 
 
-### 2.2.9 Header Files
+### 2.2.8 Header Files
 
 A source file that uses the FreeRTOS API must include FreeRTOS.h,
 followed by the header file that contains the prototype for the API

toc.md

@@ -18,10 +18,10 @@
     + [2.2.2 Building FreeRTOS](ch02.md#222-building-freertos)
     + [2.2.3 FreeRTOSConfig.h](ch02.md#223-freertosconfigh)
     + [2.2.4 Official Distributions](ch02.md#224-official-distributions)
-    + [2.2.6 FreeRTOS Source Files Common to All Ports](ch02.md#226-freertos-source-files-common-to-all-ports)
-    + [2.2.7 FreeRTOS Source Files Specific to a Port](ch02.md#227-freertos-source-files-specific-to-a-port)
-    + [2.2.8 Include Paths](ch02.md#228-include-paths)
-    + [2.2.9 Header Files](ch02.md#229-header-files)
+    + [2.2.5 FreeRTOS Source Files Common to All Ports](ch02.md#225-freertos-source-files-common-to-all-ports)
+    + [2.2.6 FreeRTOS Source Files Specific to a Port](ch02.md#226-freertos-source-files-specific-to-a-port)
+    + [2.2.7 Include Paths](ch02.md#227-include-paths)
+    + [2.2.8 Header Files](ch02.md#228-header-files)
   + [2.3 Demo Applications](ch02.md#23-demo-applications)
   + [2.4 Creating a FreeRTOS Project](ch02.md#24-creating-a-freertos-project)
     + [2.4.1 Adapting One of the Supplied Demo Projects](ch02.md#241-adapting-one-of-the-supplied-demo-projects)