newlib.mk: indent comments in conditionnal

Comments inside an if are usually also indented.

(cherry picked from commit 3226918)

makefiles/libc/newlib.mk

@@ -39,30 +39,30 @@ ifeq (,$(NEWLIB_INCLUDE_DIR))
 endif
 
 ifeq (,$(NEWLIB_INCLUDE_DIR))
-# Since Clang is not installed as a separate instance for each crossdev target
-# we need to tell it where to look for platform specific includes (Newlib
-# headers instead of Linux/Glibc headers.)
-# On GCC this is done when building the cross compiler toolchain so we do not
-# actually need to specify the include paths for system includes.
-# Ubuntu gcc-arm-embedded toolchain (https://launchpad.net/gcc-arm-embedded)
-# places newlib headers in several places, but the primary source seem to be
-# /etc/alternatives/gcc-arm-none-eabi-include
-# Gentoo Linux crossdev place the newlib headers in /usr/arm-none-eabi/include
-# Arch Linux also place the newlib headers in /usr/arm-none-eabi/include
-# Ubuntu seem to put a copy of the newlib headers in the same place as
-# Gentoo crossdev, but we prefer to look at /etc/alternatives first.
-# On OSX, newlib includes are possibly located in
-# /usr/local/opt/arm-none-eabi*/arm-none-eabi/include or /usr/local/opt/gcc-arm/arm-none-eabi/include
+  # Since Clang is not installed as a separate instance for each crossdev target
+  # we need to tell it where to look for platform specific includes (Newlib
+  # headers instead of Linux/Glibc headers.)
+  # On GCC this is done when building the cross compiler toolchain so we do not
+  # actually need to specify the include paths for system includes.
+  # Ubuntu gcc-arm-embedded toolchain (https://launchpad.net/gcc-arm-embedded)
+  # places newlib headers in several places, but the primary source seem to be
+  # /etc/alternatives/gcc-arm-none-eabi-include
+  # Gentoo Linux crossdev place the newlib headers in /usr/arm-none-eabi/include
+  # Arch Linux also place the newlib headers in /usr/arm-none-eabi/include
+  # Ubuntu seem to put a copy of the newlib headers in the same place as
+  # Gentoo crossdev, but we prefer to look at /etc/alternatives first.
+  # On OSX, newlib includes are possibly located in
+  # /usr/local/opt/arm-none-eabi*/arm-none-eabi/include or /usr/local/opt/gcc-arm/arm-none-eabi/include
   NEWLIB_INCLUDE_PATTERNS ?= \
     /etc/alternatives/gcc-$(TARGET_ARCH)-include \
     /usr/$(TARGET_ARCH)/include \
     /usr/local/opt/$(TARGET_ARCH)*/$(TARGET_ARCH)/include \
     /usr/local/opt/gcc-*/$(TARGET_ARCH)/include \
     #
-# Use the wildcard Makefile function to search for existing directories matching
-# the patterns above. We use the -isystem gcc/clang argument to add the include
-# directories as system include directories, which means they will not be
-# searched until after all the project specific include directories (-I/path)
+  # Use the wildcard Makefile function to search for existing directories matching
+  # the patterns above. We use the -isystem gcc/clang argument to add the include
+  # directories as system include directories, which means they will not be
+  # searched until after all the project specific include directories (-I/path)
   NEWLIB_INCLUDE_DIR := $(firstword $(realpath $(dir $(wildcard $(addsuffix /newlib.h, $(NEWLIB_INCLUDE_PATTERNS))))))
 endif