fixing set of recipes to ensure secure download

remove trailing whitespace

fix trailing whitespace

Another trailing whitespace

haiku-apps/sawteeth/sawteeth-1.3.recipe

@@ -3,10 +3,13 @@ DESCRIPTION="Sawteeth is a soft-synth (with tracker) for BeOS and Haiku, meant \
 to either create cool synth sounds to use in Cubase and such, or cute \
 chip-tunes. It uses no samples but only generated waveforms."
 HOMEPAGE="https://github.com/pulkomandy/Sawteeth/"
-SOURCE_URI="git+https://github.com/pulkomandy/Sawteeth#f6fa08f34d"
-LICENSE="MIT"
 COPYRIGHT="2001 Jonas Norberg"
-REVISION="3"
+LICENSE="MIT"
+REVISION="4"
+SOURCE_URI="https://github.com/pulkomandy/Sawteeth/archive/f6fa08f34d.tar.gz"
+CHECKSUM_SHA256="a28373671c2d7214ad88dbc77d9bb58b9ae27d1b26e5f1049857eadcd0bd03e2"
+SOURCE_DIR="Sawteeth-f6fa08f34d7e6b8f04df7280bf6f4d4fc761fa04"
+
 ARCHITECTURES="x86_gcc2 ?x86 ?x86_64"
 
 PROVIDES="
@@ -16,14 +19,15 @@ PROVIDES="
 REQUIRES="
 	haiku
 	"
+
+BUILD_REQUIRES="
+	haiku_devel
+	"
 BUILD_PREREQUIRES="
 	cmd:make
 	cmd:cmake
 	cmd:gcc
 	"
-BUILD_REQUIRES="
-	haiku_devel
-	"
 
 BUILD()
 {