dev-util/xcd-rgb: add -lm to LDFLAGS (glibc)

xcd.c:(.text+0x3d): undefined reference to `sin'

Signed-off-by: Haelwenn (lanodan) Monnier <contact@hacktivis.me>

dev-util/xcd-rgb/xcd-rgb-1.0.0.ebuild

@@ -51,6 +51,7 @@ fi
 
 src_configure() {
 	tc-export CC
+	export LDFLAGS="${LDFLAGS} -lm"
 	use static && export LDSTATIC=-static
 }
 

dev-util/xcd-rgb/xcd-rgb-9999.ebuild

@@ -51,6 +51,7 @@ fi
 
 src_configure() {
 	tc-export CC
+	export LDFLAGS="${LDFLAGS} -lm"
 	use static && export LDSTATIC=-static
 }