Fixed up NOPLUGINS and NOSTRIP so they are hints to make release instead of

hardcoded.  Also removed ""'s from around the defines so they were more like
all of the others.

Thanks to Tanner Jotblad for pointing this out...

Kent

release/Makefile

@@ -44,7 +44,7 @@ ifeq ($(OS),beos)
    EXT1=".zip"
    COMPRESS=""
    EXT2=""
-   NOPLUGINS="true"
+   NOPLUGINS?=true
 endif
 
 ifeq ($(OS),$(findstring $(OS), "freebsd irix linux openbsd solaris"))
@@ -57,7 +57,7 @@ ifeq ($(OS),$(findstring $(OS), "freebsd irix linux openbsd solaris"))
    EXT2=".bz2"
    ifeq ($(OS), solaris)
      ifeq ($(CPU), i386)
-       NOPLUGINS=true
+       NOPLUGINS?=true
      endif
    endif
 endif
@@ -67,8 +67,8 @@ ifeq ($(OS),windows)
    TARFLAGS="-r9"
    EXT0=".exe"
    EXT1=".zip"
-   NOPLUGINS="true"
-   NOSTRIP="true"
+   NOPLUGINS?=true
+   NOSTRIP?=true
 endif
 
 ifeq ($(OS),darwin)