Update bmake.txt

Author: jwillemsen

docs/templates/bmake.txt

@@ -13,6 +13,7 @@ common_flags = Compiler flags that are common to all configurations.
 common_libs = Libraries that are common to all configurations.
 compilers = The list of possible compilers.
 cppdir = The list of directories to be searched when locating C++ files. This is determined by the BMakeProjectCreator.
+debug_ext = The extension given to the file with the debug symbols.
 debug_macros = Macros that are only set for debug builds.
 debug_prj = Indicates that the current template configuration is debug.  This is different than negating the 'optimize' template variable.
 defines = Macros that are specific to a particular configuration.
@@ -21,7 +22,6 @@ exeflags = Linker flags that are required to create an executable.
 libflags = Flags that are required to create a static library.
 link = The name of the tool used to create dynamic libraries and executables.
 obj_ext = The extension given to object files.
-debug_ext = The extension given to the debug symbols
 rc = The name of the resource compiler.
 rcdir = The list of directories to be searched when locating resource files. This is determined by the BMakeProjectCreator.
 startup_letter = The text used during the creation of the startup object file.