libgsm: Organize recipe

Fix indentations and style issues.

Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
diff --git a/recipes-isdn/libgsm/libgsm_1.0.13.bb b/recipes-isdn/libgsm/libgsm_1.0.13.bb
index 38e7e11..fb16037 100644
--- a/recipes-isdn/libgsm/libgsm_1.0.13.bb
+++ b/recipes-isdn/libgsm/libgsm_1.0.13.bb
@@ -4,15 +4,14 @@
 LICENSE = "libgsm"
 LIC_FILES_CHKSUM = "file://COPYRIGHT;md5=fc1372895b173aaf543a122db37e04f5"
 
-INC_PR = "r2"
-
-SRC_URI = "http://www.quut.com/gsm/gsm-${PV}.tar.gz \
-	   file://01_makefile.patch \
-           file://02_cplusplus.patch \
-           file://03_config.patch \
-           file://04_includes.patch \
-           file://05_compiler_warnings.patch \
-	  "
+SRC_URI = "\
+    http://www.quut.com/gsm/gsm-${PV}.tar.gz \
+    file://01_makefile.patch \
+    file://02_cplusplus.patch \
+    file://03_config.patch \
+    file://04_includes.patch \
+    file://05_compiler_warnings.patch \
+"
 
 S = "${WORKDIR}/gsm-1.0-pl13/"
 
@@ -23,16 +22,16 @@
 
 PARALLEL_MAKE = ""
 
-do_compile() {
-	unset LD
-	oe_runmake CCFLAGS="${CFLAGS}"
+do_compile(){
+    unset LD
+    oe_runmake CCFLAGS="${CFLAGS}"
 }
 
-do_install() {
-	oe_libinstall -a -C lib libgsm ${D}${libdir}
-        oe_libinstall -so -C lib libgsm ${D}${libdir}
-        install -d ${D}${includedir}/gsm
-        install -m 0644 ${S}/inc/gsm.h ${D}${includedir}/gsm/
-	cd ${D}${includedir}
-	ln -s gsm/gsm.h gsm.h
+do_install(){
+    oe_libinstall -a -C lib libgsm ${D}${libdir}
+    oe_libinstall -so -C lib libgsm ${D}${libdir}
+    install -d ${D}${includedir}/gsm
+    install -m 0644 ${S}/inc/gsm.h ${D}${includedir}/gsm/
+    cd ${D}${includedir}
+    ln -s gsm/gsm.h gsm.h
 }