fs/proc/Kconfig: fix indentation

Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
        $ sed -e 's/^        /	/' -i */Kconfig

[adobriyan@gmail.com: add two spaces where necessary]
Link: http://lkml.kernel.org/r/20191124133936.GA5655@avx2
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/proc/Kconfig

@@ -42,8 +42,8 @@ config PROC_VMCORE
 	bool "/proc/vmcore support"
 	depends on PROC_FS && CRASH_DUMP
 	default y
-        help
-        Exports the dump image of crashed kernel in ELF format.
+	help
+	  Exports the dump image of crashed kernel in ELF format.
 
 config PROC_VMCORE_DEVICE_DUMP
 	bool "Device Hardware/Firmware Log Collection"
@@ -72,7 +72,7 @@ config PROC_SYSCTL
 	  a recompile of the kernel or reboot of the system.  The primary
 	  interface is through /proc/sys.  If you say Y here a tree of
 	  modifiable sysctl entries will be generated beneath the
-          /proc/sys directory. They are explained in the files
+	  /proc/sys directory. They are explained in the files
 	  in <file:Documentation/admin-guide/sysctl/>.  Note that enabling this
 	  option will enlarge the kernel by at least 8 KB.
 
@@ -88,7 +88,7 @@ config PROC_PAGE_MONITOR
 	  Various /proc files exist to monitor process memory utilization:
 	  /proc/pid/smaps, /proc/pid/clear_refs, /proc/pid/pagemap,
 	  /proc/kpagecount, and /proc/kpageflags. Disabling these
-          interfaces will reduce the size of the kernel by approximately 4kb.
+	  interfaces will reduce the size of the kernel by approximately 4kb.
 
 config PROC_CHILDREN
 	bool "Include /proc/<pid>/task/<tid>/children file"