package/tk: bump to version 8.6.12

Update indentation in hash file (two spaces)

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/tk/tk.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256 d62c371a71b4744ed830e3c21d27968c31dba74dd2c45f36b9b071e6d88eb19d  tk8.6.6-src.tar.gz
-sha256 2cde822b93ca16ae535c954b7dfe658b4ad10df2a193628d1b358f1765e8b198  license.terms
+sha256  12395c1f3fcb6bed2938689f797ea3cdf41ed5cb6c4766eec8ac949560310630  tk8.6.12-src.tar.gz
+sha256  2cde822b93ca16ae535c954b7dfe658b4ad10df2a193628d1b358f1765e8b198  license.terms

package/tk/tk.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 TK_VERSION_MAJOR = 8.6
-TK_VERSION = $(TK_VERSION_MAJOR).6
+TK_VERSION = $(TK_VERSION_MAJOR).12
 TK_SOURCE = tk$(TK_VERSION)-src.tar.gz
 TK_SITE = http://downloads.sourceforge.net/project/tcl/Tcl/$(TK_VERSION)
 TK_LICENSE = TCL