* ecosadmin.tcl, pkgconf/fixhtml.tcl, devs/framebuf/synth/current/src/gen_synthfb.tcl, fs/rom/current/support/file2c.tcl, hal/mips/ref4955/current/misc/slow_cat.tcl, hal/mips/ref4955/current/misc/swap4.tcl, hal/arm/e7t/current/src/flash_cksum.tcl, hal/arm/aeb/current/src/flash_cksum.tcl, io/framebuf/current/src/gen_framebufs.tcl, services/memalloc/common/current/src/heapgen.tcl: Invoke using "/usr/bin/env tclsh". * services/memalloc/common/current/cdl/memalloc.cdl: Simplify heaps.cxx make rule.